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Integrated Postsecondary Education Data System (IPEDS): Fall Enrollment Analysis, 1995 (ICPSR 2151)

Principal Investigator(s): United States Department of Education. National Center for Education Statistics


The purpose of this data collection was to provide a more accurate measure of the racial/ethnic enrollment in postsecondary institutions in the United States than was previously available. The National Center for Education Statistics (NCES) collects racial/ethnic enrollment data from higher education institutions on an annual basis. Some institutions do not report these data, and their "unknown" categories have previously been distributed in direct proportion to the "knowns." This resulted in lower than accurate figures for the racial/ethnic categories. With the advent of the Integrated Postsecondary Education Data System (IPEDS), NCES has attempted to eliminate this problem by distributing all "race/ethnicity unknown" students through a two-stage process. First, the differences between reported totals and racial/ethnic details were allocated on a gender and institutional basis by distributing the differences in direct proportion to reported distributions. The second-stage distribution was designed to eliminate the remaining instances of "race/ethnicity unknown". The procedure was to accumulate the reported racial/ethnic total enrollments by state, level, control, and gender, calculate the percentage distributions, and apply these percentages to the reported total enrollments of institutional respondents (in the same state, level, and control) that did not supply race/ethnicity detail. In addition, the original "race/ethnicity unknown" data were also left unaltered for those who wish to review the numbers actually distributed. The racial/ethnic status was broken down into nonresident alien, Black non-Hispanic, American Indian or Alaskan Native, Asian or Pacific Islander, Hispanic, and White non-Hispanic. There are five data files. Part 1, Institutional Characteristics, includes variables on control and level of institution, religious affiliation, highest level of offering, Carnegie classification, and state FIPS code and abbreviation. Variables in Part 2, Reported Enrollment Data by Race/Ethnicity, cover total original enrollment data by race/ethnicity and sex and by level and year of study of student. Race/ethnicity data were not imputed for institutions that only reported total enrollment. Part 3, Adjusted Enrollment by Race/Ethnicity, includes summary enrollment data by adjusted race/ethnicity and sex of student and by level and year of study of student. The "race/ethnicity unknown" category data were distributed across all known race categories in this file. Also, race data were imputed for institutions that did not report enrollment by race. Part 4, Enrollment Data by Age Categories and by Level and Sex of Student, includes enrollment data by age categories and by level and sex of student. Part 5, Clarifying Questions on Enrollments, provides information on students enrolled in remedial courses, extension divisions, and branches of schools, and numbers of transfer students from in-state, out of state, and other countries.

Series: Integrated Postsecondary Education Data System (IPEDS) Series

Access Notes

  • Data in this collection are available only to users at ICPSR member institutions. Please log in so we can determine if you are with a member institution and have access to these data files.

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    This study is provided by ICPSR. ICPSR provides leadership and training in data access, curation, and methods of analysis for a diverse and expanding social science research community.


DS0:  Study-Level Files
DS1:  Institutional Characteristics - Download All Files (2.069 MB)
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DS2:  Original Enrollment Data by Race/Ethnicity and Sex and by Level and Year of Study - Download All Files (10.863 MB)
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DS3:  Adjusted Enrollment Data by Race/Ethnicity and Sex and by Level and Year of Study - Download All Files (10.862 MB)
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DS4:  Enrollment Data by Age Categories and by Level and Sex of Student - Download All Files (6.223 MB)
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DS5:  Clarifying Questions on Enrollments - Download All Files (1.287 MB)
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Study Description


U.S. Dept. of Education, National Center for Education Statistics. INTEGRATED POSTSECONDARY EDUCATION DATA SYSTEM (IPEDS): FALL ENROLLMENT ANALYSIS, 1995. ICPSR version. Washington, DC: U.S. Dept. of Education, National Center for Education Statistics [producer], 1997. Ann Arbor, MI: Inter-university Consortium for Political and Social Research [distributor], 1997.

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Scope of Study

Subject Terms:    colleges, community colleges, ethnicity, gender, higher education, postsecondary education, race, school enrollments, universities

Geographic Coverage:    American Samoa, Guam, Marshall Islands, United States, Virgin Islands of the United States, Global

Time Period:   

  • 1995

Date of Collection:   

  • 1995-11--1996-06

Universe:    All postsecondary institutions in operation in 1995 in the United States and its outlying areas.

Data Type(s):    survey data

Data Collection Notes:

The codebook and data collection instruments are provided as a Portable Document Format (PDF) file. The PDF file format was developed by Adobe Systems Incorporated and can be accessed using PDF reader software, such as the Adobe Acrobat Reader. Information on how to obtain a copy of the Acrobat Reader is provided through the ICPSR Website on the Internet.


Sample:    All two-year and over postsecondary institutions were included, along with a probability-of-selection sample of all less-than-two-year private institutions.

Data Source:

self-enumerated questionnaires

Extent of Processing:   ICPSR data undergo a confidentiality review and are altered when necessary to limit the risk of disclosure. ICPSR also routinely creates ready-to-go data files along with setups in the major statistical software formats as well as standard codebooks to accompany the data. In addition to these procedures, ICPSR performed the following processing steps for this data collection:

  • Checked for undocumented or out-of-range codes.


Original ICPSR Release:   1997-12-11

Version History:

  • 2005-12-31 File CB2151.ALL.PDF was removed from any previous datasets and flagged as a study-level file, so that it will accompany all downloads.

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