This study aims to investigate the practices of school heads in promoting partnership on parental and community involvement in selected public secondary schools within the Division Laguna. The respondents compose of 414 public secondary teachers from the District Victoria, Pila, Santa Cruz, Pagsanjan,  and Lumban. The study addresses questions related to the level of school heads in promoting partnership in terms of school-family and school-community partnership, as well as the significant relationship of school-family and school-community partnership on parental and community involvement. The findings of the study suggest that prioritizing and investing in school-family and school-community factors can lead to improved student outcomes and engaged communities. The study concludes that both school-family and school-community partnerships have a significant relationship with parental and community involvement, and the practices of school heads in promoting partnerships on school-community partnerships have a significant relationship with parental and community involvement. These results highlight the critical role of school leaders in fostering partnerships with families and communities to support students academic success.