Are School Factors Important for Measuring Teacher Effectiveness? A Multilevel Technique to Predict Student Gains through a Value-Added Approach

Table 1

Estimated effects of predictors for predicting mathematics gain scores in conditional model.

Effect	Estimate	Std. error	𝑡 value	𝑝 value
Intercept	19.331	0.698	27.69	<.0001
Pretest scores	0.026	0.001	26.00	<.0001
SES	−2.148	0.325	−6.61	<.0001
Content certification	1.973	0.615	3.21	.001
Experience	0.042	0.019	2.21	.023
School poverty	−4.146	0.829	−5.00	<.0001
Pretest scores * content certification	0.033	0.010	3.30	.001
SES * content certification	0.910	0.305	2.98	.003
Pretest scores * Pct. Adv. Math. Deg.	0.015	0.005	3.01	.002
SES * school mean Experience	−0.120	0.041	−2.93	.003

Note: “Pct. Adv. Math. Deg.” denotes percent of advanced mathematics degree.