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Middle School Mathematics Professional Development Impact Study Findings After the Second Year of Implementation

NCEE 2011-4024
May 2011


Table ES-3. Characteristics of Schools in Two-Year Districts and All Eligible Schools in Large Districts
School Characteristics Schools in Two-Year Districts All Eligible Schools in Large Districtsa
Geographic Region (percent of schools)
Northeast 35.9 8.8*
South 35.9 55.8*
Midwest 12.8 9.0
West 15.4 26.4
Urbanicity (percent of schools)
Large or Middle-Sized City 87.2 59.1*
Urban Fringe, Large or Small Town, or Rural Area 12.8 40.9*
Title I Eligible (percent of schools) 66.7 67.8
Free or Reduced-Price Lunch (school average percent of students) 66.1 65.3
Race/Ethnicity (school average percent of students)
White 34.7 27.9
Black 34.7 31.1
Hispanic 25.4 33.5
Asian 2.6 5.5
Other 1.4 0.9
Male (school average percent of students) 51.6 50.7
Total School Enrollment 752.6 919.5*
Number of Seventh-Grade Students 207.9 310.9*
Number of Full Time Equivalent Teachers (all grades) 48.5 54.9*
School Type (percent of schools)b
Middle School Only 66.7 95.2*
Elementary and Middle 33.3 2.9*
Middle and High 0.0 1.7
Elementary and Middle and High 0.0 0.2
Sample Size: N = 39 schools in second-year sample; 2,710 eligible schools.
SOURCE: 2006–2007 Common Core of Data (CCD).
NOTES: a This sample was restricted to schools in districts that satisfy the following criteria: there were at least four regular schools with at least 150 seventh-grade students each, and the percentage of students eligible for free or reduced-price lunch was at least 33 percent for the whole school.
b In classifying school type, preK–grade 3 are considered elementary school grades, grades 4–9 are considered middle school grades, and grades 10–12 are considered high school grades.
Percentage values for characteristics with multiple categories may not sum to 100 owing to rounding.