St. Mary's Academy
School ID 400543 · Private K to 12 school · Barangay Andres Bonifacio (Pob.), Diffun, Quirino · Cagayan Valley (Region II)
Summary
At 713 learners in SY 2024-25, St. Mary's Academy is the largest of four private schools in Diffun, and it teaches 87% of the private-school learners there. The school sits in Region II (Cagayan Valley), within the Schools Division of Quirino. It runs from elementary through senior high. Its senior high offers Academic, and every one of the seven senior high schools in Diffun offers that track.
Its enrollment rose 1% from SY 2023-24, while private schools in Diffun were unchanged at 0.0%.
Links on the page open the list of the five schools that share its name and the dashboards of Diffun, Quirino and Schools Division of Quirino.
- Learners
- 713
- Up 4 from SY 2023-24
Key findings
- Enrollment rose 1% to 713 from SY 2023-24, while private schools in Diffun were unchanged at 0.0%.
- The largest of 4 private schools in Diffun.
- Teaches 87% of the private-school learners in Diffun.
- Offers the Academic track; all 7 senior high schools in Diffun offer Academic.
Enrollment
SY 2024-25: 713 learners, up 4 from SY 2023-24.
| Grade | Male | Female | Total |
|---|---|---|---|
| Kindergarten | 6 | 11 | 17 |
| Grade 1 | 14 | 17 | 31 |
| Grade 2 | 14 | 10 | 24 |
| Grade 3 | 15 | 8 | 23 |
| Grade 4 | 16 | 13 | 29 |
| Grade 5 | 15 | 8 | 23 |
| Grade 6 | 12 | 15 | 27 |
| Grade 7 | 56 | 49 | 105 |
| Grade 8 | 40 | 38 | 78 |
| Grade 9 | 52 | 41 | 93 |
| Grade 10 | 30 | 37 | 67 |
| Grade 11 | 51 | 47 | 98 |
| Grade 12 | 58 | 40 | 98 |
| All grades | 379 | 334 | 713 |
| Track | Learners |
|---|---|
| Academic | 196 |
| Senior High School learners | 196 |
- 84 indigenous peoples (IP) learners in SY 2024-25
DepEd's public report has staff and facilities data for public schools only.
How it compares
It has the most learners of the 4 private schools in Diffun in SY 2024-25.
Location
Barangay Andres Bonifacio (Pob.), Diffun, Quirino
Legislative district: Lone District
Other schools in Diffun
About this data
Figures for school ID 400543 come from DepEd's school data for SY 2023-24 and SY 2024-25 as of 25 October 2025. How the data was checked