This study ascertained the level of spiritual intelligence and its relationship to work performance of the school administrators, elementary school teachers and non-teaching personnel of the Division of Silay City, Negros Occidental, Philippines. The spiritual intelligence questionnaire was conducted by the researchers while the Performance Appraisal System for Teachers, Performance Appraisal System for School Heads and Performance Appraisal System for Administrative Group records for the work performance were retrieved from the Records Office in the Division of Silay City. For descriptive statistics, frequency counts, percentage, means and standard deviation were used. For inferential statistics, t-test for independent samples, one-way ANOVA and Pearson product moment of correlation were utilized. All tests in inferential statistics were done at 0.05 level of significance. Findings revealed that the level of spiritual intelligence of school administrators, elementary school teachers and non-teaching personnel is high in terms of critical existential thinking and transcendental awareness while in terms of personal meaning production and conscious state expansion, school administrators’ level of spiritual intelligence is very high. The work performance of school administrators, elementary school teachers and non-teaching personnel is very satisfactory. There was a significant difference in the level of spiritual intelligence of the respondents when grouped according to age and years in service. There was a significant relationship between the spiritual intelligence and work performance. Keywords: Spiritual Intelligence, Work Performance, Performance Appraisal System, Division of Silay City.