Influence Of Clean School Environment and Standard Class Room Size and Facilities on Students' Achievement in Biology in Gwagwalada Area Council of Fct-Abuja

The study investigated the influence of two school environmental variables on students’ achievement in biology in Gwagwalada Area Council of FCT, Abuja. An expost-facto design was adopted. The sample was 300 SS2 biology students from six senior secondary schools. Two research questions and two hypotheses were formulated to guide the study. Two validated instruments known as Checklist on Influence of school Environment (CISE) and Biology Achievement Test (BAT) which yielded reliability coefficients of 0.82 and 0.80 respectively using KR 20 method for CISE and split half method for BAT were used for data collection. The research questions were answered using the Mean and Standard Deviation scores, while the hypotheses were tested at 0.05 significant level using t-test. It was found that clean school environment and standard classrooms and size significantly influenced students achievement in biology, 0.005 < 0.05 and 0.001 < 0.05 respectively. It was recommended that principals of senior secondary schools in Gwagwalada Area Council of FCT-Abuja should continue to uphold and improve on the cleanness of their schools’ learning environment since this can further enhance student’s achievement. School stake holders should as a matter of policy insist on schools providing standard classrooms, with standard facilities also to enhance further students’ achievement