Number of Children in the Longitudinal Subsample Interviewed at Each Combination of Grades
Grades Interviewed	School 1	School 2	Total
1, 2, and 3	6	7	13
1 and 2 only	2	2	4
1 and 3 only	1	1	2
2 and 3 only	13	4	17
Total	23	14	36
Cell Sizes for Salience Analyses
Grades	School 1	School 2	Total
1st	9	10	19
2nd	20	13	33
3rd	20	12	32
Data Sources for Classroom Context Analysis
	Field notes	Teacher Interviews	Student Interviews
Teachers’ Goals and Instructional Activities	✓	✓	✓
Situational Interest and Motivation in Context	✓	✓	✓
Function of Literacy in Classroom Social Structure	✓	✓	✓
Marginalization Related to Literacy	✓	✓	✓