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PHSI's Junior High School and Senior High School is anchored on letting students enjoy and explore the wonders of science, technology, engineering, arts, and mathematics in and out of the classroom.
We hold annual Science Fairs, quiz bee competitions, and join interschool contests that showcase our students' capability in crafting bridges, solving problems, and providing solutions to real-world problems.
Over the years, PHSIan campus journalists have proven they can breathe excellence in reporting the truth. Our school believes that by training learners how to discern facts from fakes, we can enable a community that lives and thrives under the light of truth.
From the Division Level to the Nationals, our campus journalism program is meant to develop not only winners in writing competitions, but also truth-seekers and defenders amidst our volatile socio-political environment.
PHSI is Paombong's premier and pioneer debate high school, becoming a three-time champion at the Bulacan High School Debate Championship after joining it in 2015, champion at the UP TimpaLAKAN Debate Contest in 2016, and just this 2024-2025 era, breaking into novice divisions in other provincial and regional competitions such as the Singkaban Open and the Kamalig Novice Asian Parliamentary debate contest.
PHSIan debaters not only emerged as champions as a team, but also becoming best speakers and best debaters - even against the more experienced schools in the province.
By School Year 2025-2026, PHSI will be the first and only private high school in Paombong to offer Robotics as part of its Science curriculum.
More than theories and concepts, we believe that the future relies on automation, and we want our learners to feel and see for themselves how they can answer community problems using their computing skills.
We don't just make researches out of thin air - PHSI makes sure your child understands why research is important for the things they cherish.
Our Senior High School Research Capstone Project relies on our learners' capacity to find solutions, to work as one team, and to use facts and figures to drive their work towards the real answers.
High school students might yet to be voters, but their choice in the next years will decide the future. We enhance their leadership and management skills through the Student Council, and let them understand the power of their vote through voter education program/s.
Sports and athletics has been seen as the great unifier, and we intend to ensure our learners excel and showcase their talents there. Whether you play basketball or board games, you'd find a place to discover the athlete within you and unlock your potential in the playing field and on the table.
No matter where you came from, PHSI will always be a home for you. We are proud to take part for a consistent 8 years now on the Philippines-Thailand Exchange Program with Samroiyodwittayakhom School, allowing our learners to see and discover cultures and traditions beyond borders.