This study was on school heads’ leadership qualities in reinforcing teachers’ performance of professionalism in private schools in Pila, Laguna aimed to help the human resource development plan in private schools in Pila, Laguna. This study was descriptive in design involving a total of 74 respondents representing school heads, teachers, and parents or guardians of school children in order to answer the 5 basic problems through digital calculations in determining the weighted mean and standard deviation scores as basis for empirical testing of Ho at 5% level by means of r formula. It was concluded that the more extensive were the school heads’ leadership qualities in terms of educational stylishness, strategic smartness, and residentiary gracefulness, the greater was the reinforcement on teachers’ professionalism as to attested autonomy, affirmative, and assertive accomplishment, though the same shied out strengthening school children’s basic learning skills with respect to literacy, numeracy, and sensory as well as non-correlated sectorial supports from private school, LGU, and DepEd officials. The following recommendations are respectfully endorsed for resolute actions: (1) for school heads’ extensiveness of their leadership qualities may coordinate with Laguna Private Schools and Administrator’s Association, Inc (LAPRISADA) as well as LACASA Incorporation, a non-profit housing agency, with programs to help households achieve financial stability, find a new home, prevent foreclosure, find affordable rentals, get home repair assistance, immigration counseling, and neighborhood engagement in times like when pandemic crisis is still alive and kicking not only in the locale of Pila but the entire province of Laguna; (2) there may be sustainability in the school heads’ highly extensive leadership qualities in order to highly reinforce further teachers’ professionalism; (3) increase the parameter of grade school children’s basic learning skills by following the UNICEF’ five tips to help keep children’s education on track while they’re staying home; (4) the fact that COVID-19 is nationwide and worldwide pandemic crisis, concerted efforts may be made possible by private school, LGU and DepEd officials to sustain support to private schools in their survival; and (5) studies of the same nature and of wider magnitude may be conducted based on based on DepEd Order No. 88, s. 2010, and thus strengthen further the findings of this present study.