Table 1.
Descriptive Statistics, NYC Public Schools, 2013
| Mean | SD | Min | Max | |
|---|---|---|---|---|
| School Characteristics (%) | ||||
| Manhattan | 19.5 | 39.7 | 0 | 1 |
| Brooklyn | 31.0 | 46.3 | 0 | 1 |
| Bronx | 24.5 | 43.0 | 0 | 1 |
| Staten Island | 4.4 | 20.5 | 0 | 1 |
| Queens | 20.6 | 40.5 | 0 | 1 |
| School < 5 years old (new) | 11.9 | 32.4 | 0 | 1 |
| Co-location | 41.8 | 49.3 | 0 | 1 |
| Elementary | 39.8 | 49.0 | 0 | 1 |
| Elementary-Middle | 9.2 | 29.0 | 0 | 1 |
| Middle | 18.3 | 38.9 | 0 | 1 |
| Middle-High | 5.5 | 22.7 | 0 | 1 |
| High | 26.9 | 44.3 | 0 | 1 |
| Student composition (% unless otherwise noted) | ||||
| Asian | 12.6 | 17.3 | 0 | 95.0 |
| Black | 33.2 | 28.2 | 0 | 98.0 |
| Hispanic | 42.1 | 25.7 | 2 | 100 |
| White | 12.0 | 19.2 | 0 | 92.0 |
| FRL | 76.9 | 22.2 | 2 | 100 |
| Special education | 17.1 | 7.2 | 0 | 47.8 |
| LEP | 14.4 | 15.5 | 0 | 98.0 |
| Foreign born | 15.3 | 14.3 | 0 | 97.5 |
| Enrollment (tens) | 64.4 | 52.2 | 2.9 | 543.6 |
| zCurl Up (z score) | −0.1 | 0.5 | −1.5 | 2.5 |
| Obese | 20.5 | 7.0 | 0 | 82.2 |
| D or F Progress Report Grade (dummy) | 8.9 | 28.5 | 0 | 1 |
| Teacher characteristics | ||||
| % female | 75.5 | 16.3 | 14.3 | 100.0 |
| % fewer than 3 years exp. | 12.0 | 12.4 | 0.0 | 88.0 |
| Number of Schools | 1,463 |
Notes:
Schools are not included if they are charter (154), exclusively special education students (44), in the process of opening or closing with only one or two grades (13), K-12 (2), or K-2 or K-3 (54).
Definition of variables: Manhattan, Brooklyn, Bronx, Staten Island, and Queens are the borough location of schools. Schools 5 years or younger are schools that have been in existence for 5 years or less. Co-location is defined as any school that shares an address with any other public school. Elementary schools have a grade 4 and where grade 6 is the highest grade. Elementary Middle schools have a grade 4 and grade 7 but no grade above 8. Middle schools have no grade 4, but a grade 7, and where grade 9 is the highest possible grade Middle High schools have no grade 4, but grade 7 and grade 10. High schools have grades in the range 9-12, but no grades below. Asian, Black, Hispanic and White are the four categories for race/ethnicity in NYC. F/RL is the percent of students in a school eligible for national free or reduced lunch program. Special education is the percent of students in a school with an IEP. LEP is the percent of students in a school that have limited English Proficiency as defined by . Curl-up is a measure of the Fitnessgram test that measures core strength and zCurl up the mean student standardized curl-up score where the scores are standardized by age in months, year, and sex. Obese is the percentage of students who are at the 95th percentile or greater for the body mass index of students for their age and sex. The two teacher characteristic variables are from the Independent Budget Office. Fewer than 3 years is defined as the percentage of students who have been teaching in NYC public schools for three years or less.