Niloufar Farajpour - Hormozgan University, Bandar Abbas, Iran
S.Abdulhadi Samavi - Department of Educational Researches, Lamerd Branch, Islamic Azad University, Lamerd, Iran
Kolsoum Ebrahimi - Hormozgan University, Bandar Abbas, Iran

The aim of the research was to study causal relationship of psycho-social climate of class and academic performance with the mediation of hope and happiness in the first year high school students. In this causal-correlative study, population was all of the girls and boys in first year high school of Bandar Abbas that 222 students were selected using cluster sampling. Tools of this research were fisher and Fraser my class questionnaire (MCI), Snyder Hope Scale and Oxford Happiness questionnaire. Students’ averages were also used as measure of academic performance index. Proposal evaluation performed using structural equation modeling. Based on result of this research, structural equations proposal of causal relationship between mentioned variables was acceptable (P= 0.0001 NFI= 0.773, CMIN/DF= 3.179 RMSEA= 0.099, CFI= 0.825, TLI= 0.738). Generally, in research proposal it was shown that endogenous variable of psychosocial climate of class has direct significant effect on academic performance. Direct effect of psycho-social climate of class was positive and significant on hope and happiness. Indirect effect of psycho-social climate of class was positive and significant through hope and happiness. Direct effect of hope and happiness was positive and significant on academic performance.

Hope, Psycho- Social Climate Of Class, Happiness, Academic Performance