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The role of school in educational development of the student is quite abvious to every body. Âim of this research is to study the hygienic environmental conditions of the schools located in mazandaran province. This is a descriptive method done on 102 village schools during two months by health service staff through proper sampling distribution. Ïn 17.6% of the schools under study per capita class for students was less than the standard condition. Ïn 14.7% of the schools there was no difference between water drinking places and lavatorys. Ïn 42% of the classes there was no proper sunlight supply. The average classes for each school was 6 with mean space of 27.8 square meters and per capita of 18 students for each class, which indicates per capita of 1.54 square meters for each student.