most schools have two or three school leaders but the largest schools generally have three or more for example in general secondary education a large school of more than students can have one principal or deputy principals and various secretaries while a small school of less than students can operate without a deputy principal small rural primary schools may only have one teacher that also fulfils the leadership role according to a special teacher statute maestro director which requires teachers to devote hours of their time to teaching and hours to school leadership and management ineed