Isabela National High School
School ID 300542 · Public high school · Barangay San Vicente (Pob.), Ilagan City (Capital), Isabela · Cagayan Valley (Region II)
- Learners
- 5,065
- Down 191 from SY 2023-24
- Teachers
- 204
- Down 22 from SY 2023-24
- Classrooms
- 134
- Down 13 from SY 2023-24
- Learners per teacher
- 24.8
- Up 1.5 from SY 2023-24
- Division median 22.3
- Learners per classroom
- 37.8
- Up 2.0 from SY 2023-24
- Division median 24.1
Enrollment
SY 2024-25: 5,065 learners, down 191 from SY 2023-24.
| Grade | Male | Female | Total |
|---|---|---|---|
| Grade 7 | 370 | 423 | 793 |
| Grade 8 | 329 | 366 | 695 |
| Grade 9 | 340 | 395 | 735 |
| Grade 10 | 325 | 442 | 767 |
| Grade 11 | 500 | 591 | 1,091 |
| Grade 12 | 485 | 499 | 984 |
| All grades | 2,349 | 2,716 | 5,065 |
| Track | Learners |
|---|---|
| Academic | 2,022 |
| Arts and Design | 53 |
| Senior High School learners | 2,075 |
- 124 indigenous peoples (IP) learners in SY 2024-25
- 2 learners in alternative delivery modes (ADM) in SY 2024-25
Teachers and staff
Its 24.8 learners per teacher is above the City of Ilagan median of 22.3 for high schools.
| Teachers | 204 |
|---|---|
| Non-teaching personnel | 39 |
| Learners per teacher | 24.8 |
| City of Ilagan division median | 22.3 |
| Cagayan Valley median | 21.4 |
| National median | 21.1 |
Staff by position
| Teacher III | 110 |
|---|---|
| Teacher II | 42 |
| Teacher I | 19 |
| Master Teacher I | 18 |
| Master Teacher II | 13 |
| Head Teacher V | 8 |
| Utility Worker I | 6 |
| Administrative Aide VI | 4 |
| Security Guard I | 4 |
| Accountant I | 2 |
| Administrative Assistant II (Disbursing Officer II) | 2 |
| Guidance Counselor III | 2 |
| Special Science Teacher I | 2 |
| Administrative Officer II | 1 |
| Administrative Officer IV | 1 |
| Assistant Principal II | 1 |
| Cashier I | 1 |
| Driver I | 1 |
| Guidance Coordinator III | 1 |
| Guidance Counselor I | 1 |
| Registrar I | 1 |
| School Librarian I | 1 |
| School Principal IV | 1 |
| Supply Officer I | 1 |
Classrooms and facilities
Its 37.8 learners per classroom is above the City of Ilagan median of 24.1 for high schools.
- Classrooms
- 134
- 37.8 learners per classroom
- Other rooms
- 25
- Seats (approximate)
- 5,876
- 0.9 learners per seat
- Toilets
- 180
- 28.1 learners per toilet
- Faucets
- 301
- 266 with water, 35 without
- Functional computers
- 54
- 93.8 learners per computer
- Electricity
- Grid supply
- Water supply
- Yes
- Internet access
- Yes
Toilets by type, as a table
| Female | 51 |
|---|---|
| Male | 45 |
| For persons with disabilities | 4 |
| Shared | 80 |
| All toilets | 180 |
Other facilities
- Canteen
- Computer Room
- Entrance Gate
- Exit Gate
- Gymnasium
- Library/Learning Resource Center
- Offices
- Paved Pathway
- Permanent Perimeter Fence
- Roofing
- School Garden
- Science Laboratory
- Student Co-Curricular Center
- Supply Room
MOOE
FY 2025: ₱11,258,000, up ₱614,000 from FY 2024.
| Fiscal year | Junior HS | Senior HS | Total |
|---|---|---|---|
| 2023 | ₱5,202,000 | ₱4,032,000 | ₱9,234,000 |
| 2024 | ₱5,528,000 | ₱5,116,000 | ₱10,644,000 |
| 2025 | ₱5,694,000 | ₱5,564,000 | ₱11,258,000 |
How it compares
It is compared with the 8 high schools in the City of Ilagan division, itself included, in SY 2024-25.
| Measure | This school | Division median | Schools with as many or fewer |
|---|---|---|---|
| Learners per teacher | 24.8 | 22.3 | 75% |
| Learners per classroom | 37.8 | 24.1 | 88% |
| Learners per toilet | 28.1 | 19.9 | 100% |
| Learners per computer | 93.8 | 14.5 | 100% |
Location
Barangay San Vicente (Pob.), Ilagan City (Capital), Isabela
Legislative district: 1st District
Map point: 17.1445686, 121.8873239
Nearest schools
About this data
Notes on DepEd's figures
- Some of DepEd's detail rows for this school were merged in its public export, so a breakdown on this page may be lower than the true count. Totals use DepEd's own figures.
- A figure changed unusually much between SY 2023-24 and SY 2024-25.
Figures for school ID 300542 come from DepEd's school data for SY 2023-24 and SY 2024-25, refreshed 25 October 2025. How the data was checked