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Table A.1.
Summary Statistics for Schools and Staffing Survey (SASS) Sample
≤10% Minority Teachers>15% Minority Teachers
Minority (1)Nonminority (2)Minority (3)Nonminority (4)
Stay at current school 0.92 0.94 0.92 0.92 
Move to different school 0.08 0.06 0.08 0.08 
School support 0.15 0.13 0.04 −0.03 
 (0.98) (0.96) (1.04) (1.03) 
Administrative support 0.14 0.08 0.02 −0.03 
 (0.98) (0.97) (1.02) (1.04) 
Support from other teachers 0.12 0.17 0.05 −0.02 
 (1.00) (0.96) (1.05) (1.02) 
Parent support 2.70 2.73 2.50 2.37 
 (0.90) (0.86) (0.97) (0.95) 
Teacher characteristics     
Female 0.74 0.75 0.76 0.75 
School-related yearly earnings $54,896 $55,492 $55,697 $56,660 
(2011 dollars) ($16,942) ($17,020) ($15,703) ($17,013) 
Union member 0.79 0.80 0.75 0.74 
Years of experience 12.57 14.58 12.1 13.52 
 (9.35) (9.73) (9.32) (9.84) 
Years of tenure 7.11 8.74 6.45 7.11 
 (7.63) (8.38) (7.05) (7.42) 
Principal characteristics     
Minority 0.13 0.06 0.57 0.37 
Female 0.45 0.40 0.57 0.53 
Years of experience as principal 7.59 8.19 6.96 7.15 
 (6.83) (7.09) (6.37) (6.34) 
Years principal at current school 4.34 4.77 3.84 3.99 
 (4.47) (4.93) (4.28) (4.21) 
Years of teaching experience 13.23 12.86 13.33 13.37 
 (7.03) (6.79) (7.09) (7.14) 
Currently teaching 0.01 0.02 0.01 0.02 
Has graduate degree 0.42 0.43 0.38 0.4 
School characteristics     
% teachers of racial/ethnic minority 4.82 2.64 52.73 35.37 
 (3.13) (2.98) (25.41) (21.02) 
% students approved for NSLP 36.37 31.67 67.60 56.80 
 (26.56) (23.76) (27.68) (28.78) 
Total enrollment in school 839.30 737.32 948.63 976.22 
 (616.48) (552.63) (716.89) (748.74) 
Students per FTE teacher 15.45 14.91 15.82 15.93 
 (4.47) (4.23) (4.36) (4.47) 
% students of racial/ethnic minority 34.11 20.18 84.51 71.34 
 (25.77) (21.14) (19.66) (25.30) 
Minority student-to-teacher ratio 77.48 56.75 28.35 34.37 
 (94.60) (68.02) (16.98) (19.81) 
Charter school 0.02 0.01 0.03 0.03 
Poverty rate in school ZIP Code 7.96 6.84 17.31 13.01 
 (6.27) (4.98) (10.44) (8.99) 
Share of schools by location     
City 0.23 0.14 0.54 0.46 
Suburb 0.40 0.36 0.27 0.30 
Town 0.13 0.17 0.08 0.09 
Rural area 0.24 0.33 0.11 0.15 
% Schools by level     
Elementary 0.61 0.62 0.68 0.63 
Secondary 0.35 0.33 0.27 0.33 
Combined 0.04 0.05 0.04 0.05 
Number of observations 4,000 79,890 11,990 18,240 
≤10% Minority Teachers>15% Minority Teachers
Minority (1)Nonminority (2)Minority (3)Nonminority (4)
Stay at current school 0.92 0.94 0.92 0.92 
Move to different school 0.08 0.06 0.08 0.08 
School support 0.15 0.13 0.04 −0.03 
 (0.98) (0.96) (1.04) (1.03) 
Administrative support 0.14 0.08 0.02 −0.03 
 (0.98) (0.97) (1.02) (1.04) 
Support from other teachers 0.12 0.17 0.05 −0.02 
 (1.00) (0.96) (1.05) (1.02) 
Parent support 2.70 2.73 2.50 2.37 
 (0.90) (0.86) (0.97) (0.95) 
Teacher characteristics     
Female 0.74 0.75 0.76 0.75 
School-related yearly earnings $54,896 $55,492 $55,697 $56,660 
(2011 dollars) ($16,942) ($17,020) ($15,703) ($17,013) 
Union member 0.79 0.80 0.75 0.74 
Years of experience 12.57 14.58 12.1 13.52 
 (9.35) (9.73) (9.32) (9.84) 
Years of tenure 7.11 8.74 6.45 7.11 
 (7.63) (8.38) (7.05) (7.42) 
Principal characteristics     
Minority 0.13 0.06 0.57 0.37 
Female 0.45 0.40 0.57 0.53 
Years of experience as principal 7.59 8.19 6.96 7.15 
 (6.83) (7.09) (6.37) (6.34) 
Years principal at current school 4.34 4.77 3.84 3.99 
 (4.47) (4.93) (4.28) (4.21) 
Years of teaching experience 13.23 12.86 13.33 13.37 
 (7.03) (6.79) (7.09) (7.14) 
Currently teaching 0.01 0.02 0.01 0.02 
Has graduate degree 0.42 0.43 0.38 0.4 
School characteristics     
% teachers of racial/ethnic minority 4.82 2.64 52.73 35.37 
 (3.13) (2.98) (25.41) (21.02) 
% students approved for NSLP 36.37 31.67 67.60 56.80 
 (26.56) (23.76) (27.68) (28.78) 
Total enrollment in school 839.30 737.32 948.63 976.22 
 (616.48) (552.63) (716.89) (748.74) 
Students per FTE teacher 15.45 14.91 15.82 15.93 
 (4.47) (4.23) (4.36) (4.47) 
% students of racial/ethnic minority 34.11 20.18 84.51 71.34 
 (25.77) (21.14) (19.66) (25.30) 
Minority student-to-teacher ratio 77.48 56.75 28.35 34.37 
 (94.60) (68.02) (16.98) (19.81) 
Charter school 0.02 0.01 0.03 0.03 
Poverty rate in school ZIP Code 7.96 6.84 17.31 13.01 
 (6.27) (4.98) (10.44) (8.99) 
Share of schools by location     
City 0.23 0.14 0.54 0.46 
Suburb 0.40 0.36 0.27 0.30 
Town 0.13 0.17 0.08 0.09 
Rural area 0.24 0.33 0.11 0.15 
% Schools by level     
Elementary 0.61 0.62 0.68 0.63 
Secondary 0.35 0.33 0.27 0.33 
Combined 0.04 0.05 0.04 0.05 
Number of observations 4,000 79,890 11,990 18,240 

Notes: Data for 21,860 public schools. The sample includes teachers from the 1999, 2003, 2007, and 2011 waves of the SASS who remained in teaching the following year. Standard errors are shown in parentheses. The statistics are calculated using SASS teacher weights. The sample sizes are rounded to the nearest 10. FTE = full-time equivalent; NSLP = National School Lunch Program.

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