Sammons (1997) identified 11 key factors of school effectiveness:

1. Professional leadership Firm and purposeful
A participative approach
2. Shared vision and goals Unity of purpose
Consistency of practice
Collegiality and collaboration
3. A learning environment An orderly atmosphere
An attractive working environment
4. Concentration on teaching/learning Academic emphasis
Focus on achievement
5. Purposeful teaching

Efficient organization
Clarity of purpose
Structured lessons

6. High expectations Communicating expectations
Provide challenges
7. Positive reinforcement Clear/fair discipline
Ongoing feedback
8. Monitoring progress Monitoring student performance
Evaluating school performance
9. Student rights/responsibilities Raising student self-esteem
Positions of responsibility
10. Home-school partnership Parental involvement
11. A learning organization School-based professional development