This research sought to study the organizational effectiveness of Naval State University (NSU), Biliran, Philippines. It was intended to answer the organizational effectiveness of the delivery of service by the present academic organizational set-up in terms of: Instruction, Research, and Community Extension. The study used the descriptive survey method through the aid of focus group discussion and researcher-made guided questions as the main instrument for data collection. There were items in the instrument that were patterned from the accreditation activities by the Accrediting Agency of Chartered Colleges and Universities in the Philippines (AACUP). The researcher tapped a third party who was an expert in conducting focus group discussions. The expert researcher who conducted the FGD was not connected with the Naval State University to avoid any biases. The activity of FGD was recorded with the consent of the key informants. The key informants were the key officials of the university. And they come up with only one answer in each item or indicator. The data were recorded according to the frequencies and corresponding percentage. After analyzing and interpreting the processed data, the Organizational Effectiveness of NSU in the areas of: Instruction, Research and Community Extension were rated as very effective. But some indicators were identified for needed improvements. And the institutional capacity building as designed in the study should be implemented accordingly.