Table 1.

School Characteristics by Immigrant Concentration of ESL Course Taking: Unweighted Means and Standard Deviations

	Low-Immigrant- Concentration ESL Schools n = 20		High-Immigrant- Concentration ESL Schools n = 6
Variable	Mean/ Proportion	SD	Mean/ Proportion	SD
West	0.40		0.33
Northeast	0.20		0.33
South	0.30		0.33
Midwest	0.10		0.00
Urban	0.20		0.67
Suburban	0.70		0.33
Rural	0.10		0.00
Public	0.95		1.00
Private	0.05		0.00
Proportion of students taking ESL	0.06	0.07	0.17	0.07
Proportion of students taking SDAIE ESL	0.02	0.04	0.09	0.11
Proportion Black	0.14	0.15	0.09	0.08
Proportion White	0.48	0.25	0.12	0.13
Proportion Latino	0.20	0.15	0.61	0.25
Proportion Asian	0.09	0.13	0.13	0.14
Proportion first-generation immigrant	0.11	0.08	0.33	0.15
Proportion second-generation immigrant	0.13	0.09	0.34	0.05
Proportion third-plus-generation nonimmigrant	0.76	0.16	0.33	0.10
Proportion parents with no high school diploma	0.25	0.11	0.45	0.12
Proportion parents with college education	0.33	0.13	0.20	0.10
Proportion foreign born in student’s neighborhood	0.10	0.08	0.37	0.18
Proportion age 5+ not speaking English well in  student’s neighborhood	0.03	0.03	0.18	0.13
Proportion linguistically isolated in student’s  neighborhood	0.04	0.04	0.20	0.13
Proportion students usually speaking language  other than English at home	0.12	0.11	0.50	0.15

Note: ESL = English as a second language; SDAIE = Specially Designed Academic Instruction in English.