Undergraduates follow a Catholic-rooted curriculum throughout their programs and hosts Wednesday Novenas and First Friday Mass in the mornings that they are scheduled.

[2] Tarlac Montessori School was established in 1987, at its first site at Masagana Building, F. Tañedo Street with its initial enrollees of 30 pupils in Nursery and Kindergarten.

del Pilar Street and added Grade One Level, holding its first Stepping Up Ceremonies in the same year.

In the following years, 1990-1992, San Sebastian extension building was added and expanded to accommodate the growing population of the school, along with an addition of grade 3 and 4, and received official government recognition for its pre-school program.

In 1993, TMS participated in the TAPSA Academic[4] Literary and Musical Competitions for the first time, where the contestants secured positions.

Through 1995-1998, a new school building in La Puerta Del Sol, Hi-Land Subdivision was commenced with its high-school inauguration in 1996.

[5][6] Tarlac Montessori School offers programs at the kindergarten, elementary, and secondary levels.