The purpose of the study was to determine adolescents' perceptions of the psychological security of their schools environments and their relationship with their emotional development and academic performance in secondary schools in Gombe Metropolis. A sample of 239 (107 males and 133 females) secondary school students selected via stratified random sampling from four public and private secondary schools in Gombe Metropolis participated in the study. A self-develop questionnaire titled "Psychological Perspective of the Security of School Environment, Emotional Development Academic Performance of Adolescents Questionnaire" with a Cronbach Alpha reliability of (0.71) was used for the study. Simple Percentage and Multiple Regression were used to analyse the data. The findings reveal that adolescents perceived the psychological security of secondary schools environments as insecure; there are significant relationships between insecurity of school environment with emotional development and academic performance of adolescents. It is recommended that Government and school proprietors should fence all schools, school administrators should provide adequate security for teachers and students through good leadership and parents should train their children well.