The study examined the availability and utilization of educational facilities and academic
achievement of public secondary school students in Lagos State, Nigeria. Eight research
questions and six null hypotheses guided the study. The study is a correlational survey adopting
the ex-post-facto research design method. The population of the study was 19982 comprising all
the 676 Principals of the public secondary schools, 1352 Vice Principals, and 17954 teachers
from the six Education Districts of Lagos State. The cluster and simple random sampling
technique was used to obtain a sample size of 999 secondary school teachers, vice principals and
principals for the study. Two self-developed instruments, the checklist and SS2 promotion
examination results were used to collect data for this study. The validity of the instrument was
established through face and content validity. Reliability for the availability and utilization of
educational facilities checklist was tested using the test, retest method. The test yielded a coefficient of 0.82, data collected from the field was presented in tables and analyzed using the
statistical tools of percentage, mean, and standard deviation to answer the research questions.
Items with mean value of less than 2.50 were rejected. To test the hypotheses, the Pearson
moment correlation coefficient (r) method was used, acceptance decision was determined at 0.05
level of significance. The extent of availability of educational facilities for academic
achievement of public secondary school students in Lagos was high; The extent of utilization of
educational facilities for academic achievement was high and there is a significant correlation
between the availability and utilization of educational facilities and students’ academic
achievement of Public Secondary School Students in Lagos State. Based on the findings, it was
recommended that training should be organized for teachers and students on the benefits of
utilizing available resources effectively. Government should implement a system for regularly
assessing the conditions and functionality of educational facilities, this will help to identify areas
of improvement ensuring that available facilities are well maintained for their optimal utilization
for students’ academic achievement.