further strengthening the leadership team in schools including their mandate and skills is necessary to ensure that all schools have leaders capable of steering change pursuing the reform of school supervision will also be important to signal clearly that what is expected from school leaders is to improve their schools and that supervision is an ally rather than an obstacle in this regard singleteacher schools are likely to struggle to make these changes and a specific policy is needed to improve schooling in rural areas the responsibilities of costa rican principals are farranging