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San Mariano National High School - Main

School ID 300592 · Public high school · Barangay Zone I (Pob.), San Mariano, Isabela · Cagayan Valley (Region II)

Schools Division of Isabela · San Mariano I

By · Published · Updated

SY 2024-25 data from DepEd as of 25 October 2025

Summary

San Mariano National High School - Main is the second largest of 91 public junior and senior high schools in the Schools Division of Isabela, with 2,435 learners in SY 2024-25. Its enrollment rose 2% from SY 2023-24, while the division's public schools fell 3.7%.

With 130 teachers, it has 19 learners per teacher, fewer learners per teacher than at 70% of the division's other public junior and senior high schools. It fits 43 learners into each classroom, more learners per classroom than at 97% of the division's other public junior and senior high schools. The page sets the school's ratios against the medians of its division, its region and the Philippines.

Learners
2,435
Up 42 from SY 2023-24
Teachers
130
Up 19 from SY 2023-24
Classrooms
56
Up 1 from SY 2023-24
Learners per teacher
18.7
Down 2.9 from SY 2023-24
Division median 21.2
Learners per classroom
43.5
No change from SY 2023-24
Division median 26.7

Key findings

  • Enrollment rose 2% to 2,435 from SY 2023-24, while the division's public schools fell 3.7%.
  • The 2nd largest of 91 public junior and senior high schools in the Schools Division of Isabela.
  • Offers the Academic and TVL tracks; 2 of the 9 senior high schools in San Mariano offer TVL.
  • Each teacher has 19 learners, fewer than at 70% of the division's other public junior and senior high schools.
  • Each classroom has 43 learners, more than at 97% of the division's other public junior and senior high schools.
  • Its FY 2025 MOOE of ₱5,261,000 is more than at 98% of the division's other public junior and senior high schools. In FY 2024 it was ₱4,596,000.
  • Its FY 2024 MOOE is ₱1,887 for each of the 2,435 learners of SY 2024-25, against a median of ₱2,282 across the 91 public junior and senior high schools in the division with FY 2024 MOOE and SY 2024-25 learners.

Enrollment

SY 2024-25: 2,435 learners, up 42 from SY 2023-24.

Learners by grade and sex, SY 2024-25MaleFemaleGrade 7321 totalGrade 8230 totalGrade 9304 totalGrade 10322 totalGrade 11671 totalGrade 12587 total
Learners by grade and sex, SY 2024-25
Learners by grade and sex, SY 2024-25
GradeMaleFemaleTotal
Grade 7164157321
Grade 8115115230
Grade 9154150304
Grade 10140182322
Grade 11337334671
Grade 12302285587
All grades1,2121,2232,435
Senior High School learners by track, SY 2024-25
TrackLearners
Academic705
Technical-Vocational-Livelihood553
Senior High School learners1,258
  • 257 indigenous peoples (IP) learners in SY 2024-25
  • 151 learners in alternative delivery modes (ADM) in SY 2024-25

Teachers and staff

Its 18.7 learners per teacher is below the Isabela median of 21.2 for high schools.

Teachers and staff, SY 2024-25; medians are for high schools
Teachers130
Non-teaching personnel10
Learners per teacher18.7
Isabela division median21.2
Cagayan Valley median21.4
National median21.1
Staff by position
Staff by position, SY 2024-25
Teacher III92
Teacher I16
Teacher II14
Master Teacher I5
Master Teacher II3
Head Teacher III2
Administrative Assistant II (Disbursing Officer I)1
Administrative Assistant II (Disbursing Officer II)1
Administrative Assistant III (Senior Bookkeeper)1
Administrative Officer II1
Bookkeeper1
Head Teacher V1
Registrar I1
School Principal III1

Classrooms and facilities

Its 43.5 learners per classroom is above the Isabela median of 26.7 for high schools.

Classrooms
56
43.5 learners per classroom
Other rooms
8
Seats (approximate)
2,076
1.2 learners per seat
Toilets
58
42.0 learners per toilet
Faucets
153
150 with water, 3 without
Functional computers
101
24.1 learners per computer
Electricity
Grid and off-grid supply
Water supply
Yes
Internet access
Yes
Toilets by type, SY 2024-25Female8Male7Shared43
Toilets by type, SY 2024-25
Toilets by type, as a table
Toilets by type, SY 2024-25
Female8
Male7
Shared43
All toilets58

Other facilities

  • Clinic
  • Computer Room
  • Entrance Gate
  • Faculty Room
  • Home Economic Room
  • Industrial Arts Room
  • Library/Learning Resource Center
  • Offices
  • School Garden
  • Science Laboratory
  • Temporary Perimeter Fence

MOOE

FY 2025: ₱5,261,000, up ₱665,000 from FY 2024.

Maintenance and other operating expenses (MOOE) by fiscal year
Fiscal yearJunior HSSenior HSTotal
2023₱2,030,000₱2,056,000₱4,086,000
2024₱2,091,000₱2,505,000₱4,596,000
2025₱2,154,000₱3,107,000₱5,261,000

How it compares

It is compared with the 91 high schools in the Isabela division, itself included, in SY 2024-25.

Learners per resource against the Isabela division median for high schools, SY 2024-25
MeasureThis schoolDivision medianSchools with as many or fewer
Learners per teacher18.721.231%
Learners per classroom43.526.797%
Learners per toilet42.021.193%
Learners per computer24.17.690%

Location

Barangay Zone I (Pob.), San Mariano, Isabela

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.

Figures for school ID 300592 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 school ID 300592