Effect of Class Size on Teaching and Learning of Biology Among Senior Secondary Schools in Soba Local Government Area of Kaduna State

ABSTRACT
The study investigated the effect of class size on teaching and learning of biology among senior secondary schools in Soba local government area of Kaduna state. The study employed a quasi-experimental design, specifically the pretest-posttest nonequivalent group design. One hundred two (102) students from which comprised of male and female selected from senior secondary school students. Subject matter experts validated the data collection instrument; Biology Achievement Test (BAT). Three research questions were raised and answered and three hypotheses were tested. The data were analyzed using mean, standard deviation. The results revealed that students taught in small classes performed better than students taught in large classes; female students performed better than their male counterparts in Biology. There was a significant difference in the achievement mean score of students taught in small classes and those taught in large classes; there was no significant difference in the mean achievement scores of male and female students in Biology. Based on the findings and implications, it was recommended amongst others that Government should make provision for more instructional materials such as laboratories, conducive and serene learning environment for the purpose of optimizing the teacher’s and student’s output in Biology.