This study was done to determine the effect of the deployment of administrative officers as non-teaching personnel on managing ancillary services that include Financial Management, Property Custodianship, Human Resource Management, and Other general administrative-related functions in elementary schools in the Department of Education SDO Laguna based on service quality analysis. The descriptive research approach was used to collect the data and information required for the investigation. Based on the online survey results, the respondents proved that admin officers performed outstandingly on ancillary services based on service quality analysis. Also, the study will contribute to measuring the improvement of administrative-related functions and provide an improved understanding of the significance of having the appropriate personnel for each role or function.