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The National Assessment of Educational Progress (NAEP) is a program with many components—from developing subject-area questions, to selecting schools to participate, to reporting the results. Given its complexity, NAEP receives a variety of questions from visitors to the website; these special pages have been developed to provide answers to some of the most common questions.

What is NAEP?

What is the difference between state NAEP and national NAEP?
What are the goals of the NAEP program?
Is participation in NAEP voluntary?
Are the data confidential?
Who are the students assessed by NAEP?
Who evaluates NAEP?
How do I know what publications are available from NAEP and how do I get them?
May I use information found on this website for other purposes?
May I link to NAEP websites?

About the Assessments

What subjects does NAEP assess and how are the subjects chosen?
How many schools and students participate in NAEP and when are the data collected during the school year?
What process is used to develop the assessments?
How are students with disabilities and English language learners included in the NAEP assessments?


What results does NAEP provide?
How are the results reported to the public?
How does NAEP reliably score and process millions of student-composed responses?
How does NAEP analyze the assessment results?
What contextual data are provided by NAEP?
How can educators use NAEP resources such as frameworks, released questions, and reports in their work?
How are NAEP data and assessment results used to further explore education and policy issues? What technical assistance does NAEP provide?
Can NAEP results be linked to other assessment data?
When will the results be available?
Can my school get school-level or individual student-level results?

General Questions
ques1What is NAEP?

NAEP, or the National Assessment of Educational Progress, produces the Nation’s Report Card, to inform the public about the academic achievement of elementary and secondary students in the United States. Sponsored by the Department of Education, NAEP assessments have been conducted periodically in reading, mathematics, science, writing, U.S. history, civics, geography, and other subjects, beginning in 1969. NAEP collects and reports academic achievement at the national level, and for certain assessments, at the state and district levels. The results are widely reported by the national and local media, and are an integral part of our nation’s evaluation of the condition and progress of education.

For more general information about NAEP, read the NAEP Overview. 
For technical information about NAEP, consult the NAEP Technical Documentation.

ques2What is the difference between state NAEP and national NAEP?

The NAEP sample in each state is designed to be representative of the students in that state. At the state level, results are currently reported for public school students only and are broken down by several demographic groupings of students. When NAEP is conducted at the state level (i.e., in mathematics, reading, science, and writing), results are also reported for the nation. The national NAEP sample is then composed of all the state samples of public school students, as well as a national sample of nonpublic school students. If there are states that do not participate, a certain number of schools and students are selected to complete the national-level sample.

For assessments conducted at the national level only, samples are designed to be representative of the nation as a whole. Data are reported for public and nonpublic school students as well as for several major demographic groups of students.

Read technical information about the differences in the sample selection for state and national assessments in NAEP Assessment Sample Design. 

ques3What are the goals of the NAEP program?

NAEP has two major goals: to compare student achievement in states and other jurisdictions and to track changes in achievement of fourth-, eighth-, and twelfth-graders over time in mathematics, reading, writing, science, and other content domains. To meet these dual goals, NAEP selects nationally representative samples of students who participate in either the main NAEP assessments or the long-term trend NAEP assessments.

For technical aspects of reporting student achievement, see Analysis and Scaling for NAEP.

ques4Is participation in NAEP voluntary?

Federal law specifies that NAEP is voluntary for every student, school, school district, and state. However, federal law also requires all states that receive Title I funds to participate in NAEP reading and mathematics assessments at fourth and eighth grades. Similarly, school districts that receive Title I funds and are selected for the NAEP sample are also required to participate in NAEP reading and mathematics assessments at fourth and eighth grades. All other NAEP assessments are voluntary. Learn more about NAEP and why participation is important.

ques5Are the data confidential?

Federal law dictates complete privacy for all test takers and their families. Under the National Assessment of Educational Progress Authorization Act (Public Law 107-279 III, section 303), the Commissioner of the National Center for Education Statistics (NCES) is charged with ensuring that NAEP tests do not question test-takers about personal or family beliefs or make information about their personal identity publicly available.

After publishing NAEP reports, NCES makes data available to researchers but withholds students' names and other identifying information. The names of all participating students are not allowed to leave the schools after NAEP assessments are administered. Because it might be possible to deduce from data the identities of some NAEP schools, researchers must promise, under penalty of fines and jail terms, to keep these identities confidential.

For technical details, read about Questionnaires and Tracking Forms and Non-Cognitive Items in Student Booklets.

ques6Who are the students assessed by NAEP?

The national results are based on a representative sample of students in public schools, private schools, Bureau of Indian Education schools, and Department of Defense schools. Private schools include Catholic, Conservative Christian, Lutheran, and other private schools. The state results are based on public school students only. The main NAEP assessment is usually administered at grades 4 and 8 (at the state level) plus grade 12 at the national level. The long-term trend assessments report national results (in mathematics and reading only) for age samples 9, 13, and 17 in public and nonpublic schools.

For technical details, read about the NAEP Assessment Sample Design.+

ques7Who evaluates NAEP?

Because NAEP findings have an impact on the public's understanding of student academic achievement, precautions are taken to ensure the reliability of these findings. In its current legislation, as in previous legislative mandates, Congress has called for an ongoing evaluation of the assessment as a whole. In response to these legislative mandates, the National Center for Education Statistics (NCES) has established various panels of technical experts to study NAEP, and panels are formed periodically by NCES or external organizations, such as the National Academy of Sciences, to conduct evaluations. The Buros Center for Testing, in collaboration with the University of Massachusetts/Center for Educational Assessment and the University of Georgia, more recently conducted an external evaluation of NAEP.

For technical aspects of reporting student achievement, see Analysis and Scaling for NAEP.

ques8How do I know what publications are available from NAEP and how do I get them?

The NAEP Publications page is accessible via the Publications link at the top of every screen.

Printed copies of NAEP publications can be ordered by contacting:
Phone: (877) 4-ED-PUBS (433-7827)
TDD/TTY: (877) 576-7734
Mail: Ed Pubs, U.S. Department of Education, P.O. Box 22207, Alexandria, VA 22304
Para español, llame al (877) 433-7827

ques9May I use information found on this website for other purposes?

Unless specifically stated otherwise, all information on the U.S. Department of Education's NCES website at, including the NAEP website, is in the public domain, and may be reproduced, published or otherwise used without NCES' permission. This statement does not pertain to information at websites other than, whether funded by or linked to or from NCES or not. Please use the following citation when referencing NCES products and publications:
U.S. Department of Education, Institute of Education Sciences, National Center for Education Statistics. 

Material contained in the NAEP Questions Tool is in the public domain (excluding any third-party copyrighted material it may contain), and therefore permission is not required to reproduce it. Users of NAEP items that include third-party copyrighted materials, e.g., reading passages, photographs, images, etc., must seek and receive copyright permission from the copyright holder before that material is reproduced elsewhere. Material that is copyrighted contains a citation line specifying the owner of the content. Although all other material in the tool is in the public domain, and permission is not required to reproduce it, please print an acknowledgment of its source. You are encouraged to reproduce this material as needed. If you publish any part of the questions, please include the acknowledgment below. The year and name of the assessment you are using (e.g., 2009 mathematics) should appear at the end of the statement:
SOURCE: U.S. Department of Education, Institute of Education Sciences, National Center for Education Statistics, National Assessment of Educational Progress (NAEP), 2009 Mathematics Assessment. 

ques10May I link to NAEP websites?

Sure. All we ask is that you do not 'frame' us, meaning don't load pages from the NAEP websites into a frameset originating from your website.


About the Assessments
ques11What subjects does NAEP assess and how are the subjects chosen?

Since its inception in 1969, NAEP has assessed numerous academic subjects, including mathematics, reading, science, writing, the arts, civics, economics, geography, and U.S. history. NAEP has moved to computer-based assessments in writing, and is in the process of developing the Technology and Engineering Literacy (TEL) assessment for 2014. A NAEP assessment in foreign language is under development.

Beginning with the 2003 assessments, NAEP national and state assessments are conducted in mathematics and reading at least once every two years at grades 4 and 8. These assessments are conducted in the same year and initial results are released six months after administration, in the fall of that year. Results from all other assessments are released about one year after administration, usually in the spring of the following year. Many NAEP assessments are conducted at the national level for grade 12, as well as at grades 4 and 8.

Since 1988, the National Assessment Governing Board has selected the subjects assessed by NAEP. Furthermore, the Governing Board oversees creation of the frameworks that underlie the assessments and the specifications that guide the development of the assessment instruments. The framework for each subject area is determined through a collaborative development process that involves teachers, curriculum specialists, subject-matter specialists, school administrators, parents, and members of the general public.

ques12How many schools and students participate in NAEP and when are the data collected during the school year?

The number of students selected to be in a NAEP sample depends on whether it is a national-only sample or a combined state and national sample. In the national-only sample, there are approximately 10,000 to 20,000 students. In a combined national and state sample, there are approximately 3,000 students per participating jurisdiction from approximately 100 schools. Typically, 45 to 55 jurisdictions participate in such an assessment.

Data for the national and state NAEP are collected at the same time during the winter. Data for the national long-term trend assessments are collected in the fall for 13-year-olds, in the winter for 9-year-olds, and in the spring for 17-year-olds. Other NAEP special studies can occur at different points throughout the school year.

The numbers of schools and students for each recent assessment are available on the website for The Nation’s Report Card. Technical information about this may be found in Study Design and the Data Collection Plan.

ques13What process is used to develop the assessments?

To meet the nation's growing need for information about what students know and can do, the NAEP assessment instruments must meet the highest standards of measurement reliability and validity. They must measure change over time and must reflect changes in curricula and instruction in diverse subject areas.

Developing the assessment instruments—from writing questions to analyzing pilot test results to constructing the final instruments—is a complex process that consumes most of the time during the interval between assessments. In addition to conducting national pilot tests, developers oversee numerous reviews of the assessment instruments by internal NAEP measurement experts, by the National Assessment Governing Board, and by external groups that include representatives from each of the states and jurisdictions that participate in the NAEP program. To find out how a typical assessment is developed, see How Are NAEP Assessments Developed? For more technical details on development of the assessments, see NAEP Instruments.

ques14How are students with disabilities and English language learners included in the NAEP assessments?

The NAEP program has always endeavored to assess all students selected as a part of its sampling process. In all NAEP schools, accommodations will be provided as necessary for students with disabilities (SD) and/or English language learners (ELL).

Inclusion in NAEP of an SD or ELL student is encouraged if that student (a) participated in the regular state academic assessment in the subject being tested, and (b) if that student can participate in NAEP with the accommodations NAEP allows. Even if the student did not participate in the regular state assessment, or if he/she needs accommodations NAEP does not allow, school staff are asked whether that student could participate in NAEP with the allowable accommodations. (Examples of accommodations not allowed in NAEP are giving the reading assessment in a language other than English, or reading the reading passages aloud to the student. Also, extending testing over several days is not allowed for NAEP because NAEP administrators are in each school only one day.)

See the percentage of students identified, excluded, and assessed in recent NAEP assessments:
See the percentage of students by type of accommodation for the 2009 mathematics assessment.


ques15What results does NAEP provide?

Subject-matter achievement is reported in two ways—scale scores and achievement levels—so that student performance can be more easily understood. NAEP scale score results provide a numeric summary of what students know and can do in a particular subject and are presented for groups of students. Achievement levels categorize student achievement as Basic, Proficient, and Advanced, using ranges of performance established for each grade. (A fourth category, below Basic, is also reported for this scale.) Achievement levels are used to report results in terms of a set of standards for what students should know and be able to do.

NAEP provides results about subject-matter achievement, instructional experiences, and school environment and reports these results for populations of students (e.g., fourth-graders) and groups within those populations (e.g., male students or Hispanic students). NAEP does not provide individual scores for the students or schools assessed.

Because NAEP scales are developed independently for each subject, scale score and achievement level results cannot be compared across subjects. However, these reporting metrics greatly facilitate performance comparisons within a subject from year to year and from one group of students to another in the same grade.

Examples of student responses can be accessed through the NAEP Questions Tool.

ques16How are the results reported to the public?

NAEP has developed a number of different publications and web-based tools that provide direct access to assessment results at the state and national level. For every major assessment release, web-specific content is developed that is suitable to the web environment.

The Nation's Report Card is a website developed especially to display the results of each assessment in a clear format and comprehensive manner. To locate this useful information, there are links to the most recent results from any subject information page on this website. See, for instance, the link on the mathematics subject page.
State Profiles present state-level results and a history of state participation in NAEP; District Profiles report results for the Trial Urban District Assessment (TUDA) participants.
The NAEP Data Explorer and State Comparisons provide comprehensive information on student performance.
Explore NAEP Questions links users to the Questions Tool and Item Maps that provide student responses, scoring guides, and other information on the questions that have been released to the public.

Several types of printed reports published by NAEP can be found under publications on the NAEP website. These range from the NAEP Report Card, a comprehensive report that contains all the major results for each assessment, to technical reports that contain psychometric details of a national or state assessment.

ques17How does NAEP reliably score and process millions of student-composed responses?

While multiple-choice questions allow students to select an answer from a list of options, constructed-response questions require students to provide their own answers. Qualified and trained raters score constructed-response questions.

Scoring a large number of constructed responses with a high level of reliability and within a limited time frame is essential to NAEP's success. (In a typical year, over three million constructed responses are scored.) To ensure reliable, quick scoring, NAEP takes the following steps:

develops focused, explicit scoring guides that match the criteria delineated in the assessment frameworks;
recruits qualified and experienced scorers, trains them, and verifies their ability to score particular questions through qualifying tests;
employs an image-processing and scoring system that routes images of student responses directly to the scorers so they can focus on scoring rather than paper routing;
monitors scorer consistency through ongoing reliability checks;
assesses the quality of scorer decision-making through frequent monitoring by NAEP assessment experts; and
documents all training, scoring, and quality control procedures in the technical reports.

NAEP assessments generally contain both constructed-response and multiple-choice questions. The constructed responses are scored using the image-processing system, whereas the responses to the multiple-choice questions are scored by scanning the test booklets.

Learn more about scoring, and read detailed technical aspects in NAEP Scoring.

ques18How does NAEP analyze the assessment results?

Before the data are analyzed, responses from the groups of students assessed are assigned sampling weights to ensure that their representation in NAEP results matches their actual percentage of the school population in the grades assessed.

Data for national and state NAEP assessments in most subjects are analyzed by a process involving the following steps:

Check Item Data and Performance: The data and performance of each item are checked in a number of ways, including scoring reliability checks, item analyses, and differential item functioning (DIF), to assure fair and reliable measures of performance in the subject of the assessment.
Set the Scale for Assessment Data: Each subject assessed is divided into subskills, purposes, or content domains specified by the subject framework. Separate scales are developed relating to the content domains in an assessment subject area. A special statistical procedure, Item Response Theory scaling, is used to estimate the measurement characteristics of each assessment question.
Estimate Group Performance Results: Because NAEP must minimize the burden of time on students and schools by keeping assessment administration brief, no individual student takes more than a small portion of the assessment for a given content domain. NAEP uses the results of scaling procedures to estimate the performance of groups of students (e.g., of all fourth-grade students in the nation, of female eighth-grade students in a state).
Transform Results to the Reporting Scale: Results for assessments conducted in different years are linked to reporting scales to allow comparison of year-to-year trend results for common populations on related assessments.
Create a Database: A database is created and used to make comparisons of all results, such as scale scores, percentiles, percentages at or above achievement levels, and comparisons between groups and between years for a group. All comparisons are subjected to testing for statistical significance, and estimates of standard errors are computed for all statistics.

To ensure reliability of NAEP results, extensive quality control and plausibility checks are carefully conducted as part of each analysis step. Quality control tasks are intended to verify that analysis steps have not introduced errors or artifacts into the results. Plausibility checks are intended to encourage thinking about the results, whether they make sense, and what story they tell.

Read about technical aspects of this process in NAEP Assessment Weighting Procedures and in NAEP Analysis and Scaling.

ques19What contextual data are provided in NAEP?

In addition to assessing subject-area achievement, NAEP collects information that serves to fulfill reporting requirements of federal legislation and to provide a context for reporting student performance. The legislation requires that, whenever feasible, NAEP include information on special groups (e.g., information reported by race, ethnicity, socioeconomic status, gender, disability, and limited English proficiency).

As part of most NAEP assessments, several types of questionnaires are used to collect information. The questionnaires appear in separately timed blocks of questions in the assessment booklets, such as the student questionnaires, or, as in the case of questionnaires for the teachers, schools, and students with disabilities or who are classified as English language learners, they are printed separately.

Read more about the questionnaires and see the most recent ones available. Student questionnaires are also available in the Sample Questions booklets, which contain other assessment information and are distributed to schools before each assessment. Read technical details in Non-Cognitive Items and Questionnaires.

ques20How can educators use NAEP resources such as frameworks, released questions, and reports in their work?

NAEP materials such as frameworks, released questions, and reports have many uses in the educational community. For instance, frameworks can serve as models for designing an assessment or revising curricula. Also, released constructed-response questions and their corresponding scoring guides can serve as models of innovative assessment practices.

NAEP findings are reported in many publications specifically targeted to educators. Furthermore, NAEP staff host seminars to discuss NAEP results and their implications.

ques21How are NAEP data and assessment results used to further explore education and policy issues? What technical assistance does NAEP provide?

The National Center for Education Statistics (NCES) grants members of the educational research community permission to use NAEP data.

NAEP results are provided in formats that the general public can easily access. Tailored to specific audiences, NAEP reports are widely disseminated. Since the 1994 assessment, all reports and data have been placed on the World Wide Web to provide even easier access.

In addition, NCES periodically offers seminars to stimulate interest in using NAEP data to address educational research questions, enhance participants' understanding of the methodological and technological issues relevant to NAEP, and demonstrate the steps necessary for conducting accurate statistical analyses of NAEP data. These seminars are advertised in advance on the NCES website. Research using NAEP data is supported by grants from several sources.

NCES provides support to NAEP coordinators through the NAEP State Service Center. The support takes the form of technical assistance and resources.

ques22Can NAEP results be linked to other assessment data?

A linking study has been explored and data has been released for the 2011 NAEP and TIMSS assessments.​​

ques23When will the results be available?

Beginning with the 2003 assessment, results in mathematics and reading are to be released six months after the administration of the assessments, except when either of these assessments is based on a new framework. For instance, for the 2009 reading assessment, the Governing Board issued a new framework which resulted in changes to the assessment requiring additional data analyses to examine the measurement of trends over time; consequently, the Reading Report Card for 2009 was released in the spring of 2010. Results from all other assessments will be released one year after administration.

ques24Can my school get school-level or individual student-level results?

No. By design, information will not be available at these levels. Reports traditionally disclose state, regional, and national results. In 2002, NAEP began to report (on a trial basis) results from several large urban districts in the Trial Urban District Assessment (TUDA), but school-level results are not yet reportable. Because NAEP is a large-group assessment, each student takes only a small part of the overall assessment. In most schools, only a small portion of the total grade enrollment is selected to take the assessment and these students may not reliably or validly represent the total school population. Only when the student scores are aggregated at the state or national level are the data considered reliable and valid estimates of what students know and can do in the content area; consequently, school- or student-level results are never reported.