The Grade School Department. Its subject offerings are Values Education, English, Filipino, Mathematics, Science, Araling Panlipunan, MAPEH, Home Economics and Livelihood Education, Writing, Mother Tongue, and Computer.
It also offers daily Homeroom Classes geared at reinforcing the school's vision, mission, core values, and institutional goals that will help pupils thrive both in school and in life.
- Opportunity Classes are held once a week (from Grades 1 to 6) to help students who are academically challenged in coping with their lessons. This is held concurrently with Life Skills Training (from grades 4 to 6 only) given to students who are not under opportunity classes.
- Pupils in the Grade School are also able to learn how to play the following musical instruments: lyre, musical recorder, melodica, and guitar through its Applied Music Program.
- Grade 10 students are likewise enjoined to take part in the BSP and GSP with the goal of preparing them in becoming agents of positive change consistent with the school's mission of developing individuals with wisdom and virtues. As a co-curricular program, it is hoped that through imbibing a value system based on the Scout Promise and Law, Coronians will be contributory in helping build a better world of self-fulfilled, constructive, and active citizens.