Castor Alviar National High School
School ID 301527 · Public junior high school · Barangay Masili, City of Calamba, Laguna · CALABARZON (Region IV-A)
Summary
Castor Alviar National High School is the second largest of four public junior high schools in the Schools Division of Calamba City, with 1,112 learners in SY 2024-25. Its enrollment fell 1% from SY 2023-24, while the division's public schools fell 2.1%.
Its 44 teachers and 27 classrooms give one teacher for every 25 learners and one classroom for every 41 learners. The nearest public schools with senior high are Los Baños Lalakay Senior High School Stand Alone (1.9 km), Los Baños Bambang Senior High School Stand Alone (2.0 km) and Eduardo Barretto, Sr. Integrated School (2.4 km), straight-line.
The page compares the school's ratios with the medians of its division, its region and the Philippines.
- Learners
- 1,112
- Down 11 from SY 2023-24
- Teachers
- 44
- No change from SY 2023-24
- Classrooms
- 27
- No change from SY 2023-24
- Learners per teacher
- 25.3
- Down 0.2 from SY 2023-24
- Division median 18.1
- Learners per classroom
- 41.2
- Down 0.4 from SY 2023-24
- Division median 27.2
Key findings
- Enrollment fell 1% to 1,112 from SY 2023-24, while the division's public schools fell 2.1%.
- The 2nd largest of 4 public junior high schools in the Schools Division of Calamba City.
- The nearest public schools with senior high are Los Baños Lalakay Senior High School Stand Alone (1.9 km), Los Baños Bambang Senior High School Stand Alone (2.0 km) and Eduardo Barretto, Sr. Integrated School (2.4 km), straight-line.
Enrollment
SY 2024-25: 1,112 learners, down 11 from SY 2023-24.
| Grade | Male | Female | Total |
|---|---|---|---|
| Grade 7 | 159 | 150 | 309 |
| Grade 8 | 151 | 111 | 262 |
| Grade 9 | 122 | 146 | 268 |
| Grade 10 | 129 | 144 | 273 |
| All grades | 561 | 551 | 1,112 |
- 16 learners in alternative delivery modes (ADM) in SY 2024-25
Teachers and staff
Its 25.3 learners per teacher is above the Calamba City median of 18.1 for junior high schools.
| Teachers | 44 |
|---|---|
| Non-teaching personnel | 9 |
| Learners per teacher | 25.3 |
| Calamba City division median | 18.1 |
| CALABARZON median | 24.0 |
| National median | 23.1 |
Staff by position
| Teacher III | 15 |
|---|---|
| Teacher I | 14 |
| Teacher II | 11 |
| Master Teacher I | 4 |
| Head Teacher I | 3 |
| Administrative Assistant II (Disbursing Officer II) | 2 |
| Head Teacher III | 2 |
| Administrative Assistant III (Senior Bookkeeper) | 1 |
| School Principal I | 1 |
Classrooms and facilities
Its 41.2 learners per classroom is above the Calamba City median of 27.2 for junior high schools.
- Classrooms
- 27
- 41.2 learners per classroom
- Other rooms
- 2
- Seats (approximate)
- 300
- 3.7 learners per seat
- Toilets
- 28
- 39.7 learners per toilet
- Faucets
- 97
- 96 with water, 1 without
- Functional computers
- 213
- 5.2 learners per computer
- Electricity
- Grid supply
- Water supply
- Yes
- Internet access
- Yes
Toilets by type, as a table
| Female | 1 |
|---|---|
| Male | 1 |
| For persons with disabilities | 2 |
| Shared | 24 |
| All toilets | 28 |
Other facilities
- Canteen
- Computer Room
- Covered Court
- Entrance Gate
- Exit Gate
- Offices
- Paved Pathway
- Permanent Perimeter Fence
- Playground
- Roofing
- School Garden
MOOE
FY 2025: ₱1,865,000, up ₱54,000 from FY 2024.
| Fiscal year | Junior HS | Total |
|---|---|---|
| 2023 | ₱1,758,000 | ₱1,758,000 |
| 2024 | ₱1,811,000 | ₱1,811,000 |
| 2025 | ₱1,865,000 | ₱1,865,000 |
How it compares
It is compared with the 4 junior high schools in the Calamba City division, itself included, in SY 2024-25.
| Measure | This school | Division median | Schools with as many or fewer |
|---|---|---|---|
| Learners per teacher | 25.3 | 18.1 | 75% |
| Learners per classroom | 41.2 | 27.2 | 75% |
| Learners per toilet | 39.7 | 25.5 | 75% |
| Learners per computer | 5.2 | 3.2 | 75% |
Location
Barangay Masili, City of Calamba, Laguna
Legislative district: 2nd District
Map point: 14.18256, 121.2005
Nearest schools
About this data
Figures for school ID 301527 come from DepEd's school data for SY 2023-24 and SY 2024-25 as of 25 October 2025. How the data was checked