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Research

Enrollment Data 99 00

1996-97 and 1999-00 Enrollment Data and 1999-00 Attrition in Texas
Race-Ethnicity and Gender
1996-97
9th Grade Enrollment
1999-00
12th Grade Enrollment
1996-97
9-12th Grade Enrollment
1999-00
9-12th Grade Enrollment
1999-00
Expected 12th Grade Enrollment
Students Lost to Attrition
Attrition Rate
Native American

806

530 2,356 2,735 936 406 43
Male 406 257 1,188 1,368 468 211 45
Female 400 273 1,168 1,367 468 195 42
Asian/Pacific Islander 7,665 7,078 27,134 31,318 8,849 1,771 20
Male 4,091 3,630 13,934 16,161 4,745 1,115 23
Female 3,574 3,448 13,200 15,157 4,104 656 16
Black 50,935 27,844 143,926 149,543 52,941 25,097 47
Male 26,884 13,164 71,906 75,186 28,110 14,946 53
Female 24,051 14,680 72,020 74,357 24,831 10,151 41
White 151,126 111,188 502,308 516,739 155,463 44,275 28
Male 79,108 56,202 257,964 264,961 81,254 25,052 31
Female 72,018 54,986 244,344 251,778 74,209 19,223 26
Hispanic 132,196 69,438 350,740 383,698 144,603 75,165 52
Male 70,083 33,790 180,021 196,335 76,442 42,652 56
Female 62,113 35,648 170,719 187,343 68,161 32,513 48
All Groups 342,728 216,078 1,026,464 1,084,033 362,792 146,714 40
Male 180,572 107,043 525,013 554,031 191,019 83,976 44
Female 162,156 109,035 501,451 530,002 171,773 62,738 36


Figures calculated by IDRA from the Texas Education Agency Fall Membership Survey data. IDRA’s 1999-00 attrition study involved the analysis of enrollment figures for public high school students in the ninth grade during 1996-97 school year and enrollment figures for 12th grade students in 1999-00. This period represents the time span when ninth grade students would be enrolled in school prior to graduation. The enrollment data for special school districts (military schools, state schools, and charter schools) were excluded from the analyses since they are likely to have unstable enrollments and/or lack a tax base to support school programs.

Source: Intercultural Development Research Association, 2000.


Calculation:
Attrition is calculated by (1) dividing the high school enrollment in the end year by the high school enrollment in the base year; (2) multiplying the results from Calculation 1 by the ninth grade enrollment in the base year; (3) subtracting the results from Calculation 2 from the 12th grade enrollment in the year; and (4) dividing the results of Calculation 3 by the result of Calculation 2. The attrition rate results (percentages) were rounded to the nearest whole number.?

See also the IDRA’s Attrition Model for a discussion of the theoretical basis for this calculation. See also the Longitudinal Attrition Rates in Texas for a historic view of the dropout rates and comparison between the IDRA Attrition rates and TEA Dropout rates over time.

Please, direct any question about this table to Mr. Roy L. Johnson, director of IDRA’s Division of Evaluation Research.

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