This course was compared to manage learning into different school sizes with the sample size in the
lower secondary education schools with two groups of 28 controlled teachers, who managed teaching
of 68 students in 3 classes, and other group was 28 experimental teachers who managed teaching of 79
students in 3 other classes at grade level 9 too. The procedure of methodology included curriculum
framework; unstructured selection interviews and conservational guidebooks were used. Most of
teachers were trained with a new curriculum of learning units and training local curriculum.