Diffun National High School
School ID 300657 · Public high school · Barangay Aurora East (Pob.), Diffun, Quirino · Cagayan Valley (Region II)
Summary
Diffun National High School is the largest of 14 public junior and senior high schools in the Schools Division of Quirino. In SY 2024-25 enrollment rose by 12 to 3,040 from SY 2023-24, while the division's public schools fell 2.9%.
With 109 teachers, the school has one teacher for every 28 learners, more learners per teacher than at every other public junior and senior high school in the division. There is one classroom for every 36 learners, more learners per classroom than at every other public junior and senior high school in the division. Its FY 2025 MOOE of ₱5,952,000 is more than at every other such school in the division, and in FY 2024 it was ₱5,462,000.
The school offers the Academic and TVL tracks, and one of the seven senior high schools in Diffun offers TVL. The page sets its ratios against the medians of its division, its region and the Philippines.
- Learners
- 3,040
- Up 12 from SY 2023-24
- Teachers
- 109
- Up 5 from SY 2023-24
- Classrooms
- 84
- Up 1 from SY 2023-24
- Learners per teacher
- 27.9
- Down 1.2 from SY 2023-24
- Division median 20.2
- Learners per classroom
- 36.2
- Down 0.3 from SY 2023-24
- Division median 27.8
Key findings
- Enrollment rose by 12 to 3,040 from SY 2023-24, while the division's public schools fell 2.9%.
- The largest of 14 public junior and senior high schools in the Schools Division of Quirino.
- Offers the Academic and TVL tracks; 1 of the 7 senior high schools in Diffun offers TVL.
- Each teacher has 28 learners, more than at every other public junior and senior high school in the division.
- Each classroom has 36 learners, more than at every other public junior and senior high school in the division.
- Its FY 2025 MOOE of ₱5,952,000 is more than at every other public junior and senior high school in the division. In FY 2024 it was ₱5,462,000.
- Its FY 2024 MOOE is ₱1,797 for each of the 3,040 learners of SY 2024-25, against a median of ₱2,329 across the 14 public junior and senior high schools in the division with FY 2024 MOOE and SY 2024-25 learners.
Enrollment
SY 2024-25: 3,040 learners, up 12 from SY 2023-24.
| Grade | Male | Female | Total |
|---|---|---|---|
| Grade 7 | 280 | 273 | 553 |
| Grade 8 | 203 | 219 | 422 |
| Grade 9 | 210 | 257 | 467 |
| Grade 10 | 177 | 246 | 423 |
| Grade 11 | 320 | 309 | 629 |
| Grade 12 | 274 | 272 | 546 |
| All grades | 1,464 | 1,576 | 3,040 |
| Track | Learners |
|---|---|
| Academic | 960 |
| Technical-Vocational-Livelihood | 215 |
| Senior High School learners | 1,175 |
- 645 indigenous peoples (IP) learners in SY 2024-25
Teachers and staff
Its 27.9 learners per teacher is above the Quirino median of 20.2 for high schools.
| Teachers | 109 |
|---|---|
| Non-teaching personnel | 15 |
| Learners per teacher | 27.9 |
| Quirino division median | 20.2 |
| Cagayan Valley median | 21.4 |
| National median | 21.1 |
Staff by position
| Teacher III | 62 |
|---|---|
| Teacher I | 24 |
| Teacher II | 11 |
| Master Teacher I | 6 |
| Head Teacher I | 4 |
| Master Teacher II | 3 |
| Administrative Assistant II (Disbursing Officer II) | 2 |
| Administrative Assistant III (Senior Bookkeeper) | 2 |
| Administrative Officer II | 2 |
| Special Science Teacher I | 2 |
| Accountant I | 1 |
| Administrative Officer IV | 1 |
| Guidance Counselor I | 1 |
| Registrar I | 1 |
| SPED Teacher I | 1 |
| School Principal III | 1 |
Classrooms and facilities
Its 36.2 learners per classroom is above the Quirino median of 27.8 for high schools.
- Classrooms
- 84
- 36.2 learners per classroom
- Other rooms
- 19
- Seats (approximate)
- 2,000
- 1.5 learners per seat
- Toilets
- 86
- 35.4 learners per toilet
- Faucets
- 66
- 66 with water, 0 without
- Functional computers
- 51
- 59.6 learners per computer
- Electricity
- Grid supply
- Water supply
- Yes
- Internet access
- Yes
Toilets by type, as a table
| Female | 27 |
|---|---|
| Male | 27 |
| For persons with disabilities | 1 |
| Shared | 31 |
| All toilets | 86 |
Other facilities
- Canteen
- Clinic
- Computer Room
- Conference Room
- Entrance Gate
- Exit Gate
- Faculty Room
- Gymnasium
- Home Economic Room
- Industrial Arts Room
- Library/Learning Resource Center
- Offices
- School Garden
- Science Laboratory
- Student Co-Curricular Center
MOOE
FY 2025: ₱5,952,000, up ₱490,000 from FY 2024.
| Fiscal year | Junior HS | Senior HS | Total |
|---|---|---|---|
| 2023 | ₱2,801,000 | ₱1,861,000 | ₱4,662,000 |
| 2024 | ₱3,087,000 | ₱2,375,000 | ₱5,462,000 |
| 2025 | ₱3,180,000 | ₱2,772,000 | ₱5,952,000 |
How it compares
It is compared with the 14 high schools in the Quirino division, itself included, in SY 2024-25.
| Measure | This school | Division median | Schools with as many or fewer |
|---|---|---|---|
| Learners per teacher | 27.9 | 20.2 | 100% |
| Learners per classroom | 36.2 | 27.8 | 100% |
| Learners per toilet | 35.4 | 22.6 | 71% |
| Learners per computer | 59.6 | 12.8 | 93% |
Location
Barangay Aurora East (Pob.), Diffun, Quirino
Legislative district: Lone District
Map point: 16.592583, 121.506453
Nearest schools
About this data
Figures for school ID 300657 come from DepEd's school data for SY 2023-24 and SY 2024-25 as of 25 October 2025. How the data was checked