Table 1.

Descriptive Statistics, Analytic ECLS-K Sample

Variables
Unstandardized Child-level Variabels	Mean
Student in Special Ed., All Disabilities	0.088
Student in Special Ed., Speech/Language	0.031
Student in Special Ed., Learning Disability	0.057
Student in Special Ed., Mental Retardation	0.007
Student in Special Ed., Emotional/Behavioral Problem	0.006
Male	0.504
Non-Hispanic White	0.577
Black/African American	0.113
Hispanic	0.185
Asian	0.068
Other Ethnicity	0.055
Student Changed Schools During Study	0.162
Mean White Teacher	0.833
Black Student X Mean White Teacher	0.071
Hispanic Student X Mean White Teacher	0.139
Asian Student X Mean White Teacher	0.052
Other Ethnicity Student X Mean White Teacher	0.040
Standardized Child-Level Variables	Mean	SD	Min.	Max.
Family SES	0.032	0.983	−5.75	3.47
Academic Test Score	0.022	0.92	−2.86	6.33
Approaches to Learning	0.041	0.979	−3.78	2.97
Externalizing Problem Behaviors	−0.007	0.971	−3.78	4.15
Standardized School-Level variables	Mean	SD	Min.	Max.
School Percent Minority	42.35	34.47	0.00	100
School Mean SES	0.007	0.686	−2.81	3.24
School Mean Test Score	0.000	0.550	−1.26	2.45
School Mean Approaches	0.031	0.464	−2.21	1.49
School Mean Externalizing	−0.031	0.425	−1.02	3.24

Child-Level n = 11,138

School-Level n = 970