The Trends in International Mathematics and Science Study, 2011 (TIMSS 2011) is a study that is part of the Trends in International Mathematics and Science Study (TIMSS) program; program data are available since 1999 at <https://nces.ed.gov/pubsearch/getpubcats.asp?sid=073>. TIMSS 2011 (https://nces.ed.gov/timss/) is a cross-sectional study that provides international comparative information of the mathematics and science literacy of fourth- and eighth-grade students and examines factors that may be associated with the acquisition of math and science literacy in students. The study was conducted using direct assessments of students and questionnaires for students, teachers, and school administrators. Fourth- and eighth-graders in the 2010–11 school year were sampled. The study's response rate was 94 percent. Key statistics produced from TIMSS 2011 are mathematics and science achievement scores of U.S. fourth- and eighth- grade students compared to that of students in other countries.

Trends in International Mathematics and Science Study, 2011

Trends in International Mathematics and Science Study

The restricted-use datafile contains school IDs that can be linked to the public-use U.S. TIMSS 2011 datafile to allow for merging with data from the Common Core of Data (CCD) and Private School Universe Survey (PSS). This datafile also contains complete, original data for the continuous variables that are converted into categorical data in the public-use data files to maintain confidentiality.

The Trends in International Mathematics and Science Study, 2007 (TIMSS 2007) is a study that is part of the Trends in International Mathematics and Science Study (TIMSS) program; program data are available since 1999 at <https://nces.ed.gov/pubsearch/getpubcats.asp?sid=073>. TIMSS 2007 (https://nces.ed.gov/timss/) is a cross-sectional study that provides international comparative information of the mathematics and science literacy of fourth- and eighth-grade students and examines factors that may be associated with the acquisition of math and science literacy in students. The study was conducted using direct assessments of students and questionnaires for students, teachers, and school administrators. Fourth- and eighth-graders in the 2006–07 school year were sampled. The final weighted student response rate at grade four was 95 percent, and the final weighted student response rate at grade eight was 93 percent. Key statistics produced from TIMSS 2003 are mathematics and science achievement scores of U.S. fourth- and eighth- grade students compared to that of students in other countries.

Trends in International Mathematics and Science Study, 2007

This restricted-use datafile contains school IDs that can be linked to the public-use U.S. TIMSS 2007 datafile to allow for merging with data from the Common Core of Data (CCD) and Private School Universe Survey (PSS). This datafile also contains complete, original data for the continuous variables that are converted into categorical data in the public-use data files to maintain confidentiality.

The Trends in International Mathematics and Science Study, 2015 (TIMSS 2015) is a data collection that is part of the Trends in International Mathematics and Science Study (TIMSS) program; program data are available since 1995 at <https://nces.ed.gov/pubsearch/getpubcats.asp?sid=073>. TIMSS 2015 (https://nces.ed.gov/timss/) is a cross-sectional study that provides international comparative information of the mathematics and science literacy of fourth-, eighth-, and twelfth-grade students and examines factors that may be associated with the acquisition of math and science literacy in students. The study was conducted using direct assessments of students and questionnaires for students, teachers, and school administrators. Fourth-, eighth-, and twelfth-graders in the 2014–15 school year were sampled. The twelfth-grade assessment is called TIMSS Advanced. Key statistics produced from TIMSS 2015 provide reliable and timely data on the mathematics and science achievement of U.S. students compared to that of students in other countries.

Trends in International Mathematics and Science Study, 2015

The Third International Mathematics and Science Study, 1999 (TIMSS 1999) is a study that is part of the Trends in International Mathematics and Science Study (TIMSS) program; program data are available since 1995 at <https://nces.ed.gov/pubsearch/getpubcats.asp?sid=073>. TIMSS 1999 (https://nces.ed.gov/timss/) is a cross-sectional study that provides international comparative information of the mathematics and science literacy of eighth-grade students only and examines factors that may be associated with the acquisition of math and science literacy in students. The study was conducted using direct assessments of students and questionnaires for students, teachers, and school administrators. Eighth-graders in the 1998-1999 school year were sampled. Key statistics produced from TIMSS 1999 are mathematics and science achievement scores of U.S. eighth-grade students compared to that of students in other countries.

Third International Mathematics and Science Study, 1999

The restricted-use file contains the U.S. TIMSS 1999 data, including data that was collected only in the United States and are not included on the international database available from the IEA, and a Data User's Guide. Specifically, the additional data relate to the professional development activities of teachers, the race and ethnicity of students and teachers, and the percentage of students in a school eligible for the Federal free and reduced lunch program. In addition, the RUF contains the rescaled U.S. TIMSS 1995 data for those wishing to conduct analyses between the 1995 and 1999 datasets.

The Administrative Data Research Facility (ADRF) is a secure cloud-based computing platform designed to promote collaboration, facilitate documentation, and provide information about data use to the agencies that own the data. The ADRF has provided secure access to over 100 confidential government datasets from 50 different agencies at all levels of government. More information on ADRF is available at https://coleridgeinitiative.org/adrf/.

Remote access to restricted-use data at the authorized licensed location via the the Administrative Data Research Facility (ADRF) by a connected, networked computer.  

Researchers may access restricted-use National Center for Health Statistics (NCHS) data at Research Data Centers (RDCs) located in Hyattsville, MD, Atlanta, GA, Rockville, MD, and Washington DC (government employees only). The NCHS RDCs are open by appointment only during regular business hours. The NCHS RDC computers are not connected to the Internet, and they have standard statistical software. An RDC Analyst will review all materials brought into the RDC and will review any notes, code, or output the researcher may want to take out of the RDC. Electronic devices (e.g., cell phones and laptops) are not permitted in the RDC. Some NCHS projects are authorized to access NCHS data at Federal Statistical RDCs (FSRDC). Non-US Citizens: In general, non-US citizens are not granted access to NCHS RDCs and are encouraged to use Federal Statistical RDCs to access restricted-use NCHS data.

Access via physical data enclaves in Atlanta, GA; Hyattsville, MD; Rockville, MD; or Washington, DC (government employees only).

NCSES Secure Data Access Facility (SDAF) houses NCSES restricted-use data and provides secure remote access to researchers. After researchers have submitted a restricted-use data application, received approval from NCSES, and have been trained on how to use the SDAF, they can login using an approved computer and a private internet connection. Each researcher has access to their own, personal file space and to a suite of software that can be used to store, access, and analyze data. For more information on accessing NCSES restricted-use data, please visit https://ncses.nsf.gov/about/licensing. 

The NCSES Secure Data Access Facility is a virtual data enclave where approved researchers access NCSES restricted-use data.

USDA offers offsite remote access via a secure internet connection using the researcher’s own computer and web browser to approved datasets for data analysis within the Data Enclave. Each researcher has access to their own personal file space and to a suite of software that can be used to store, access, and analyze data.

Remote access through a virtual data enclave.

Access via a physical data enclave at the Social Security Administration in Washington, DC.

The ICPSR physical data enclave is located in the Perry Building on the campus of the University of Michigan.

Access via the physical data enclave at ICPSR in Ann Arbor, MI.

The ICPSR virtual data enclave allows users access to restricted data via their own computers using a virtual desktop. 

Remote access through ICPSR`s virtual data enclave.

Data can be used by the researcher(s) at their institutions via a method and following requirements set by the agency owning the data. These might include a non-networked computer, a secure office, or other provisions deemed necessary to ensure security.

Data can be used at the user`s institution following the license agreement.

Researchers share four secure workstations at BEA’s headquarters at the Suitland Federal Center in Suitland, MD. Workstation use is by appointment only. Due to pandemic-related restrictions that currently prevent access at the physical data enclave, BEA is temporarily providing access at the user`s domicile. A security clearance is required to access the BEA network. 

Access via a physical enclave at BEA`s headquarters in Suitland, MD.

BLS Onsite access is available in a researcher room at the BLS national office in Washington, DC.  Researchers with approved projects can reserve time during normal business hours to use BLS workstations connected to an internal server where all data and project files are stored.  More information is available at www.bls.gov/rda/onsite-at-bls.htm. 

Access via a designated researcher room at the BLS national office in Washington, DC.

BLS offers offsite limited remote access to restricted data through a Virtual Data Enclave for two survey files:  NLSY Geocode and CFOI-Masked data.  More information is available at www.bls.gov/rda/offsite.htm. 

Remote access to limited restricted-use data through a virtual data enclave. 

Federal Statistical Research Data Centers (FSRDCs) are Census Bureau facilities, housed in partner institutions, that meet all physical and information security requirements for access to restricted–use micro data of the agencies whose data are accessed there. Remote access via secure Virtual Desktop Interface (VDI) is permitted for researchers working with selected data, at the discretion of the data-owning agency. All FSRDC researchers must obtain the Census Bureau`s Special Sworn Status and successfully complete a thorough background investigation prior to accessing an RDC.

Federal Statistical Research Data Centers (FSRDCs) are Census Bureau facilities, housed in partner institutions, that meet all physical and information security requirements for access to restricted–use micro data of the agencies whose data are accessed there.

Remote access to the IRS network via a secure VPN line using a government laptop issued and configured by IRS IT.

Remote access to the IRS network via secure VPN line using government laptop issued and configured by IRS IT.

Access at IRS Headquarters, Submission Processing Center, or other satellite (field) offices.

Title	Last Modified
Trends in International Mathematics and Science Study, 2011 RDG 3313 National Center for Education Statistics	06-09-2022
Trends in International Mathematics and Science Study, 2007 RDG 3312 National Center for Education Statistics	06-09-2022
Trends in International Mathematics and Science Study, 2015 RDG 4165 National Center for Education Statistics	07-20-2022
Third International Mathematics and Science Study, 1999 RDG 4164 National Center for Education Statistics	07-20-2022

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