This study is related to ALSIPI: Supplemental for the Advancement of Learning Filipino and Student Performance and is based on experimental methodology. Questionnaires and examinations were used to achieve the following objectives: level of acceptance of ALSIPI as the Basis for Initial Teaching of Students based on Objective, Content, Understanding, and Level of Knowledge level of knowledge of supplemental resources based on Intellect, Emotion, and Active Participation level of Student Performance in Filipino Subject based on exams significant relationship between ALSIPI and Student Characteristics significant relationship between ALSIPI: Basis for Initial Learning of Filipino and Student Knowledge. Based on the level of validation of teachers using ALSIPI: Basis for Initial Teaching of Filipino and Student Performance, all indicators have a highly consistent interpretation. Therefore, the level of validation in using ALSIPI as the Basis for Initial Teaching of Filipino based on Objective, Content, Understanding, and Level of Knowledge is extremely high. Regarding students level of knowledge in using ALSIPI: Basis for Initial Teaching of Filipino and Student Performance, all indicators have a highly consistent interpretation. Therefore, students knowledge level in using ALSIPI: Basis for Initial Teaching of Filipino and Student Performance is very high. Based on students performance level according to their grades in exams, it is highly satisfactory. Therefore, the results were highly pleasing. In the general impression of the data obtained, ALSIPI: Basis for Initial Teaching of Filipino and Student Performance had a significant effect. Based on the answers and conclusions, the following recommendations were given. ALSIPI can be used by Laguna State Polytechnic University-Sta. Cruz Campus is an additional resource for their Extension Program to help open the school to out-of-school youth. ALSIPI can also be used as an instrument to establish or open ALS in the town of Lumban, Laguna, which can help citizens who want to finish their studies. To ensure proper academic performance, other researchers are encouraged to conduct related studies to determine other factors that affect the creation of ALSIPI for students learning of Filipino.