The interest on studying Single-Sex and Coeducational Elementary
Schooling has grown significantly among researchers. Despite this, there
has been no research on this topic in Iran till now. The effects of school
type on academic achievement and social desirability which are among
important variables are examined in this research. The research design is
causal-comparative. The population is taken from students in fifth and
sixth grade from the public elementary schools in the academic year
1391/92 in Shahreiar, Tehran, Iran. The total number of the participants is
279 (half on co-ed and others on single-sex), which were selected by
random cluster sampling method. Results showed that the students from
single-sex schools had higher GPA, compared to the students of co-ed
schools. Also, it was statistically significant that the girls had better social
desirability compared to boys.
