TABLE 3.

Matrix of the zero-order correlation coefficients at the student-level and school-level.

Variables	1.	2.	3.	4.	5.	6.	M	SD
Student level
1. Performance grade 6	–						NA	51.95
2. Performance grade 4	0.56∗	–					NA	54.57
3. Engagement grade 6	0.06∗	0.05∗	–				NA	1.55
4. Engagement grade 4	0.07∗	0.04	0.27∗	–			NA	1.11
5. Socioeconomic status	0.30∗	0.31∗	0.03	–0.02	–		NA	1.33
6. Other language	−0.10∗	−0.15∗	0.01	0.01	−0.17∗	–	NA	0.37
School level
1. Performance grade 6	–						585.11	19.92
2. Performance grade 4	0.78∗	–					528.12	21.21
3. Engagement grade 6	–0.12	–0.03	–				9.53	0.39
4. Engagement grade 4	0.15	0.14	0.50∗	–			8.90	0.43
5. Socioeconomic status	0.72∗	0.67∗	–0.14	–0.11	–		–0.03	0.53
6. Other language	−0.46∗	−0.68∗	0.00	−0.27∗	–0.24	–	0.24	0.21

^∗Zero order correlation is significant at the 0.05 level (2-tailed). NA = not applicable to the student-level which is centered on the cluster-mean.