- The school average mathematics achievement is higher in Catholic schools, the minority achievement gap is smaller in Catholic schools, and the social class distributive effect is somewhat weaker.
- Organizational differences among schools exert a substantial impact on students’ achievement.
- Academic organization of the school, in terms of the breadth of curricular offerings and expectations about the number of academic courses required of all students, structures differential learning opportunities.
- Schools’ decisions about academic structure play a major role here.
- The academic organization of high schools has a significant impact on the social distribution of achievement within them.
- The effects of the staff problems measure suggest that the interest and commitment of teachers contributes significantly to academic achievement.
- High average achievement is related to school social composition (race and SES) and to the school’s academic emphasis.