[10] Some of the HTA alumni have been recognized for their works in arts, media, filmmaking, and science, including, Lexi Gonzales,[11] Mon Gualvez,[12] and Kyxz Mendiola.

[10] In 1958, the management of the school was turned over to the Daughters of Mary Help of Christians (later known as the Salesian Sisters of Don Bosco) by Rufino Santos, the incumbent Cardinal of Archdiocese of Manila at the time.

[1][6] Holy Trinity Academy offers 5 academic tracks that prepares students for college and their preferred undergraduate program in the Senior High School Department for 2 years.

[9] Most Holy Trinity Parish is the oldest structure inside the campus, built in 1890 as a funerary chapel and rebuilt in 1925.

[15] Holy Trinity Academy is governed by 6-person Board of Trustees,[21] as well as a 22-person school administrators, 12 of them being academic and institutional coordinators.

Let us sing the glorious song Of truth that brings eternal light And wave proudly our banner high Of purest blue and white.

With love as our inspiration And God our guide by day and night Our noble aim we will achieve For truth will give us might.

Some people associated with Holy Trinity Academy have been known in artistry, media, filmmaking, journalism, science, and as a world record attempter.

HTA alumni includes Lexi Gonzales,[11] an actress, singer, and dancer, known for being hailed as the First Princess on the seventh season of the Philippine reality talent competition, StarStruck.

[25] She was previously part of ABS-CBN's talent management arm of Star Magic, where she has been part of several TV show, that includes: Magpahanggang Wakas, Pusong Ligaw, Maalaala Mo Kaya, Ipaglaban Mo and The Good Son as either an extra or an uncredited guest cast.

[12] Filipino inventor, Kyxz Mendiola, who also attended Holy Trinity Academy,[13] notable as a founding member of a former Filipino hip-hop group, Philippine All Stars, a filmmaker,[27] and for inventing and developing an ultralight aircraft, Koncepto Milenya, which broke a world record for longest flight by hoverboard in 2021,[28] surpassing the Guinness World record set by Franky Zapata who flew a jet-powered hoverboard across a distance of 2.25 km in 2016.