This research aimed : 1) to study the level of to the classroom research doing and the level of factors effecting to the classroom research doing of teachers in school under the office the secondary education area 19th, 2) to study the relationship between to the classroom research doing with the factors effecting to the classroom research doing of teachers, 3) to study the factors effecting to the classroom research doing of teachers with the classroom research doing, and 4) to construct the predictive equation of their classroom research doing. The samples were 322 teachers drawn from those schools. Questionnaires was employed for data collection which earned data were analyzed to obtain percentage, mean, standard deviation, Pearson’s product moment correlation coefficient and multiple regression by using Enter method. The predictive variables which related to criterion variables significantly were selected in order to construct the predictive equation which factors effecting to the classroom research doing of teachers.