ASHS mathlete Sam Dionisio clinches 1st runner-up award at PhIMO Final Round 2025

Representing the Ateneo de Manila Senior High School (ASHS), five mathletes advanced to the Final Round of the Philippine International Mathematical Olympiad held on 19–22 September 2025. They were joined by three former Ateneo de Manila Junior High School (AJHS) students who are now in ASHS, bringing the school’s total medal haul to an impressive four golds, one silver, and three bronzes.

The PhIMO Final Round was conducted in both onsite and online formats. The onsite competition took place at the Cebu Institute of Technology – University (CIT-U) Atrium in Cebu City, Philippines, where hundreds of qualified mathletes gathered for the face-to-face examinations and events. The awarding ceremony and related celebrations were subsequently held at JPark Island Resort and Waterpark in Lapu-Lapu City.

Leading the school’s strong showing in the PhIMO Final Round 2025 was gold medalist Sam Dionisio (12-Anchieta), who also emerged as First Runner-Up in the Senior Secondary Group category. As an online contestant, Sam earned this distinction by attaining one of the highest overall scores among senior secondary participants worldwide, with rankings determined based on final round results.

Fellow ASHS gold medalist Jam Vejerano (12-Solinas) also distinguished herself by winning the First Runner-Up Trophy in the Amazing Math Race for the Senior Secondary level, a special event held for onsite participants.

Below is the list of medalists, indicated with their current Ateneo sections in parentheses (unless otherwise noted), followed by the category in which they competed.

GOLD

Sam Dionisio (12-Anchieta) — 1st Runner-Up, Senior Secondary
Jam Vejerano (12-Solinas) — Senior Secondary; 1st Runner-up, Amazing Math Race  
Joaquin Jobog (11-Perez) — Junior Secondary
Aegean Nakila (11-Mayer) — Junior Secondary

SILVER

Rach Tatel (12-Arnaiz) — Senior Secondary

BRONZE

Nathan Ballatan (11-Torres) — Junior Secondary
Eliza Lorenzo (12-Pantalia) — Senior Secondary
Martin Quito (11-Wright) — Junior Secondary

The PhIMO is a highly prestigious international mathematics competition for students from Kindergarten to Grade 12. It seeks to challenge and celebrate young mathematical talent from around the world, while fostering cultural exchange and camaraderie through friendly competition. 

In recent years, the event has drawn participants from more than 15 countries — including the United States, Australia. Japan, South Korea, Thailand, Canada, and Vietnam — showcasing global participation and diverse mathematical excellence.