Schools in San Mariano I, SDO Isabela
Summary
San Mariano I has the fifth most learners of the 43 districts in Isabela, with 9,238 learners in its 28 schools in SY 2024-25. Enrollment in schools fell 3.1% from SY 2023-24, not counting ALS, while public schools fell 3.7% and private schools grew 10.5%. Public schools hold 95% of its learners in schools, compared with 85% nationally, and private schools hold 5%, compared with 14%.
The most crowded public classrooms are at Tappa Elementary School, with one classroom for every 68 learners, leaving out one school whose figures are under review. The page lists each school with its learners, teachers and classrooms, and breaks the figures down by sector and level.
- Schools
- 28
- No change from SY 2023-24
- 26 public, 2 private
- Learners
- 9,238
- Down 295 from SY 2023-24
- Teachers
- 429
- Up 28 from SY 2023-24
- Classrooms
- 279
- Down 11 from SY 2023-24
Key findings
For SY 2024-25 and all schools, whatever is chosen above.
- San Mariano I has the 5th most learners of the 43 districts in Isabela, and the 34th most learners per teacher in public schools (tied).
- Enrollment in schools fell 3.1% from SY 2023-24 (ALS not counted); public schools fell 3.7% and private schools grew 10.5%.
- Of the learners in schools, 95% are in public schools (85% nationally) and 5% in private schools (14% nationally).
- The largest schools are San Mariano National High School - Main (2,435 learners), San Mariano Central School SPED Center (940 learners) and Cadsalan Integrated School (532 learners).
- Enrollment grew fastest at St. Thomas Montessori De San Mariano (+17%) and fell most at Udiao Elementary School (−19%), among schools with 100 or more learners in both years.
- Leaving out 1 school whose figures are under review, the most crowded public classrooms are at Tappa Elementary School, with 68 learners per classroom.
- Of the 26 reporting public schools, all have electricity; 1 (4%) has no water, against 1% in Region II; all have internet.
- The 26 public schools here with FY 2025 MOOE received ₱24.7 million. Across the 26 with FY 2024 MOOE and SY 2024-25 learners, FY 2024 MOOE came to ₱2,030 for each learner.
Learners
SY 2024-25: 9,238 learners.
| Learners | Number |
|---|---|
| All learners | 9,238 |
| Male | 4,784 |
| Female | 4,454 |
| Level | Public schools | Private schools | Total |
|---|---|---|---|
| Elementary | 4,278 | 157 | 4,435 |
| Junior High School | 2,960 | 148 | 3,108 |
| Senior High School | 1,559 | 136 | 1,695 |
| Grade | Male | Female | Total |
|---|---|---|---|
| Kindergarten | 235 | 221 | 456 |
| Grade 1 | 270 | 284 | 554 |
| Grade 2 | 317 | 254 | 571 |
| Grade 3 | 360 | 308 | 668 |
| Grade 4 | 417 | 351 | 768 |
| Grade 5 | 272 | 249 | 521 |
| Grade 6 | 438 | 421 | 859 |
| Grade 7 | 445 | 413 | 858 |
| Grade 8 | 368 | 313 | 681 |
| Grade 9 | 385 | 383 | 768 |
| Grade 10 | 389 | 412 | 801 |
| Grade 11 | 460 | 461 | 921 |
| Grade 12 | 405 | 369 | 774 |
| Special needs, non-graded (elementary) | 23 | 15 | 38 |
| All grades | 4,784 | 4,454 | 9,238 |
| Track | Learners |
|---|---|
| Academic | 1,142 |
| Technical-Vocational-Livelihood | 553 |
| All tracks | 1,695 |
| Level | Male | Female | Total |
|---|---|---|---|
| Kindergarten | 31 | 34 | 65 |
| Elementary | 508 | 455 | 963 |
| Junior High School | 388 | 370 | 758 |
| Senior High School | 97 | 90 | 187 |
| All | 1,024 | 949 | 1,973 |
| Program | Male | Female | Total |
|---|---|---|---|
| Open High School Program | 71 | 80 | 151 |
Schools and community learning centers
SY 2024-25: 28 schools.
| Sector | Number |
|---|---|
| Public schools | 26 |
| Private schools | 2 |
| All | 28 |
| Offering | Number |
|---|---|
| Elementary only | 13 |
| Elementary and junior high (K to 10) | 7 |
| Kindergarten to Grade 12 | 3 |
| Junior high only | 2 |
| Junior and senior high | 3 |
| Subclassification | Number |
|---|---|
| DepEd managed | 26 |
| Sectarian | 2 |
DepEd's public report has staff and facilities data for public schools only.
School personnel
SY 2024-25: 429 teachers and 54 non-teaching personnel in public schools.
| Type | Number |
|---|---|
| Teachers | 429 |
| Non-teaching personnel | 54 |
| All personnel | 483 |
| Level | Teachers |
|---|---|
| Elementary | 198 |
| Junior High School | 182 |
| Senior High School | 49 |
| All teachers | 429 |
| Level | Learners per teacher |
|---|---|
| Elementary | 21.6 |
| Junior High School | 16.3 |
| Senior High School | 31.8 |
School resources
SY 2024-25: 279 classrooms and 369 toilets in public schools.
- Classrooms
- 279
- Seats (approximate)
- 7,549
- Toilets
- 369
- Functional computers
- 611
- Faucets
- 843
- 775 with water
| Measure | Elementary | Junior High School | Senior High School |
|---|---|---|---|
| Classrooms | 157 | 81 | 41 |
| Learners per classroom | 27.3 | 36.5 | 38.0 |
| Seats (approximate) | 3,870 | 2,302 | 1,377 |
| Learners per seat | 1.1 | 1.3 | 1.1 |
| Toilets | 232 | 95 | 42 |
| Learners per toilet | 18.4 | 31.2 | 37.1 |
| Functional computers | 145 | 352 | 114 |
| Learners per computer | 29.5 | 8.4 | 13.7 |
| Level | With water supply | Without |
|---|---|---|
| Elementary | 20 | 1 |
| Junior High School | 13 | 0 |
| Senior High School | 4 | 0 |
| Level | Grid supply | Grid and off-grid supply |
|---|---|---|
| Elementary | 21 | 0 |
| Junior High School | 12 | 1 |
| Senior High School | 4 | 0 |
| Level | With internet access | Without |
|---|---|---|
| Elementary | 21 | 0 |
| Junior High School | 12 | 1 |
| Senior High School | 4 | 0 |
| Type | Toilets |
|---|---|
| Female | 26 |
| Male | 23 |
| Shared | 318 |
| For persons with disabilities | 2 |
| All toilets | 369 |
| Faucets | Number |
|---|---|
| With water | 775 |
| Without water | 68 |
| All faucets | 843 |
| Facility | Schools |
|---|---|
| School Garden | 25 |
| Entrance Gate | 24 |
| Offices | 19 |
| Playground | 19 |
| Temporary Perimeter Fence | 19 |
| Exit Gate | 16 |
| Permanent Perimeter Fence | 12 |
| Computer Room | 7 |
| Home Economic Room | 6 |
| Covered Court | 5 |
| Library/Learning Resource Center | 5 |
| Canteen | 4 |
| Clinic | 4 |
| Faculty Room | 4 |
| Data File Room/Records Room | 3 |
| Paved Pathway | 3 |
| Science Laboratory | 3 |
| Flood Marker | 2 |
| Industrial Arts Room | 2 |
| Conference Room | 1 |
| Gymnasium | 1 |
| Supply Room | 1 |
List of schools
Every school in San Mariano I, SDO Isabela in DepEd's data, linked to its own page.
About this data
- Teachers, classrooms and facilities are for public schools only: DepEd's public report has them for no other schools.
The figures for San Mariano I, SDO Isabela exclude ALS centers, which DepEd does not assign to districts.
Each school year's figures for San Mariano I, SDO Isabela count the schools DepEd placed there that year. Figures come from DepEd's school data for SY 2023-24 and SY 2024-25 as of 25 October 2025. How the data was checked
Report a correction to the figures for San Mariano I, SDO Isabela