The quality of the extension services provided determines how effective extension systems are in accomplishing a sustainable development strategy. Hence, this research was carried out to ascertain the impact of extension services of the College of Teacher Education (CTE) of Nueva Vizcaya State University (NVSU), Philippines. The descriptive survey method was employed using a structured questionnaire that underwent expert validation. This questionnaire was administered among the implementers (n = 45) and beneficiaries (n = 200) of the extension services. Mean was used to describe the extent of engagement, the level of benefits derived, the extent of problems encountered, and the overall impact of CTE's extension services. This study concludes that beneficiaries and implementers are deeply engaged in the College of Teacher Education's Projects HELP and KKK, proving that extension initiatives attract both providers and consumers in high volumes. The adoptive college successfully managed its development programs such as Projects HELP and KKK, and extension participants benefitted immeasurably. Irregularity of consultations, difficulties in organizing residents, and incoherence in the monitoring and assessment of the college's extension activities were recognized as minor issues in the conduct of extension services. Beneficiaries and implementers regarded the College of Teacher Education's extension services as acceptable, signifying that the community was inspired to transform the lives of its citizens.