Unweighted Descriptive Statistics for Individual– and School-Level Variables
| Individual-Level Variables (N=5,447) | Mean | SD |
|---|---|---|
| Advanced Course Taking | ||
| Physics | .27 | |
| Foreign Language | .27 | |
| Sports Participation | .52 | |
| Racial/Ethnic Identity | ||
| Non-Latino/a White | .53 | |
| Black | .20 | |
| Latino/a | .18 | |
| Asian | .09 | |
| Grade Level (1994–1995) | ||
| 9th Grade | .30 | |
| 10th Grade | .35 | |
| 11th Grade | .34 | |
| Parent’s Education | ||
| Less than High School | .11 | |
| High School | .26 | |
| More than High School | .63 | |
| Family Structure | ||
| Two Biological Parents | .57 | |
| Step Family | .18 | |
| Single Parent | .21 | |
| Other | .04 | |
| Picture Vocabulary Test Scorea | 101.87 | (14.09) |
| Initial Science Placement (Year 1)b | 1.96 | (1.28) |
| Took Foreign Language Year 1 | .46 | |
| School Integration | ||
| School Attachmentc | 3.78 | (.83) |
| Teacher Attachmentc | 3.72 | (.72) |
| Disengagement from Schoole | 1.00 | (.76) |
| Other Extracurricular Participation | .50 | |
| Social-Psychological Resources | ||
| Perceived Intelligenced | 3.94 | (1.08) |
| Self-Esteemc | 4.05 | (.59) |
| Academic Orientation | ||
| GPA (1994–1995)e | 2.59 | (.88) |
| Educational Expectationsc | 4.20 | (1.10) |
| School-Level Variables (N=75) | Mean | SD |
|---|---|---|
| Mean Year 1 Science Placement | .00 | (1.00) |
| Proportion in Foreign Language Year 1 | .00 | (1.00) |
| Proportion of Students in Sports | .00 | (1.00) |
| Proportion College-Educated Parents | .00 | (1.00) |
| School Size | ||
| Small | .16 | |
| Medium | .36 | |
| Large | .48 | |
| Sector | ||
| Public | .88 | |
| Private | .12 | |
| Urbanicity | ||
| Urban | .29 | |
| Suburban | .52 | |
| Rural | .19 | |
| Region | ||
| Northeast | .19 | |
| West | .20 | |
| Midwest | .23 | |
| South | .39 |
a
Range: 14 to 136
b
Range: 0 to 6
c
Range: 1 to 5
d
Range: 1 to 6
e
Range: 0 to 4