"We can't have full knowledge all at once. We must start by believing; then afterwards we may be led on to master the evidence for ourselves"


Welcome to St. Thomas Aquinas
Catholic High School

Guam's newest Archdiocesan Catholic co-educational high school offering a college preparatory academic program that challenges and develops its students to become moral and productive citizens with global perspectives firmly rooted in the Gospel of Jesus Christ through the teachings of the Catholic Church.


Japanese Cultural Performers visit to STA.

10/14/2014 All-Island Golf Championship


Day 4 of Japan Super Science Fair


Day 1 of Japan Super Science Fair

STA Online Payment



Young Aquinas Scientists off to the Ritsumeiken Super Science Fair.

Sending off prayer held for the Super Science Fair Contingent on Thursday, November 6, 2014. Best Wishes and Safe Travels to Ms Tina Lizama, Sean Park, Marciano Pangilinan, Sandra Caliguia and Ashley Patricio.