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Gaithersburg High

Gaithersburg cluster · 101 Education Boulevard, 20877

School website ↗ · Gaithersburg HS PTSA ↗

42.8%MCAP ELA
6.2%MCAP Math
78.6%Graduation
2,436Students

Academics

MCAP proficiency over time. Privacy-suppressed years break the line.

% proficient by subject
Data table
% proficient by subject
Series201920212022202320242025
ELA24.6%41.3%43.7%35.9%40.5%42.8%
Math—————6.2%
Science19.4%37.8%————

2020 paused; general Science is 2019 & 2021 only. HS Math (Algebra 1) is taken early — read the ELA 10 figure as the headline.

Class size

Average class size by grade band over recent years, with the latest year measured against MCPS's published guideline.

Average class size by school year
10 14 18 22 26 different basis 2022-20232023-20242024-2025 16.4 22.8 22.9 17.5 21.2 21.6
EnglishOther 2022-2023 · not comparable
Data table
Average class size by school year — average class size by school year (* = not comparable)
Series2022-20232023-20242024-2025
English16.4 *22.822.9
Other17.5 *21.221.6
  • English 22.9 target 30 · within guideline
  • Other 21.6 target 33 · within guideline

Source: MCPS School Profiles class-size extract vs. MCPS published class-size guidelines · Updated: 2024-2025

Proficiency by student group

This school's MCAP ELA proficiency by group (latest year). The spread is the opportunity gap.

Two or more 83.3%
Asian 75.0%
White 72.9%
ADA / 504 69.2%
Female 50.7%
Black 48.8%
Students w/o disabilities 46.3%
Econ. disadvantaged 42.8%
Non-econ. disadvantaged 42.8%
FARMS 35.2%
Male 35.1%
Hispanic 33.2%
Students w/ disabilities 17.1%
Multilingual (EL) 5.9%

4 groups not shown — too few students to report (withheld for privacy, not zero).

Special education

A priority lens: how students with disabilities are served, and the gap to close.

ELA 42.8% all · 17.1% SWD · 25.7 pt gap
Math 6.2% all · 5% SWD · 1.2 pt gap
Science 29.4% all · 9.2% SWD · 20.2 pt gap
In general classrooms
65.9%
80%+ of the day · 2025
Students served
384
15.7% of enrollment
Caseload
10.9
students per special-ed teacher
Special-ed staff (FTE)
35.25
teachers · 30.225 paraeducators · 2025
Inclusion (LRE) over time
Data table
Inclusion (LRE) over time
Series202320242025
Inclusion %41.6%49.8%65.9%

Inclusion (Least Restrictive Environment) is the latest year; staffing is from 2025. Higher inclusion and a lower caseload generally point to more individualized support.

Source: MCPS School Profiles / unified facts (LRE, staffing, SWD enrollment) · Updated: inclusion 2025, staffing 2025

Staffing

Staff relative to enrollment. The chip compares this school to the typical high school at this level.

Teachers
7.8
1.4 vs. typical
per 100 students
Support services
1.6
0.3 vs. typical
per 100 students
Counselors
5.1
0.5 vs. typical
per 1,000 students

Special education & multilingual support

Special-ed teachers
9.3
1.4 vs. typical
per 100 students with disabilities
Special-ed paraeducators
8
0.1 vs. typical
per 100 students with disabilities
ELD teachers
3
0.2 vs. typical
per 100 multilingual learners

Source: MCPS unified facts — staff FTE per student (support services = instructional support staff)

Programs & services

Special, choice, and support programs offered at this school — from magnet and application programs to career pathways and special-education services.

Regional - Application

  • PLTW: Biomedical Science POS

Academics

  • Dual Enrollment - Early College
  • Dual Enrollment - Virtual Middle College
  • Dual Enrollment (Jump Start)
  • Students with Limited or Interrupted Formal Education (SLIFE)

CTE

  • Accounting and Finance POS
  • Apprenticeship Maryland POS
  • Automotive Collision Repair POS
  • Automotive Technology MLR POS
  • Broadcast Media POS (Video Production)
  • Business Management POS
  • Child Development Associate (CDA) POS
  • College/Career Research & Development (CCRD) POS
  • Computer Science/Code.org POS
  • Cosmetology POS
  • Fire Science and Rescue POS
  • Marketing POS
  • Naval Junior Reserve Officer Training Corps (NJROTC)

Student Support

  • 21st Century Learning Center
  • Achieving Collegiate Excellence and Success (ACES)
  • Conflict Resolution Center of Montgomery County
  • George B Thomas Center
  • Wellness Center

Special Education

  • Adapted Physical Education
  • Bridge
  • Learning and Academic Disabilities (LAD)/Resource
  • Learning for Independence (LFI)
  • School Community Based (SCB)
  • Speech/Language Resource K-12
  • Transition Resource Services

Source: MCPS Office of Student Affairs program catalog (2025). Find schools by program →

Students

Total enrollment over time
Data table
Total enrollment over time
Series20212022202320242025
Enrollment2,3592,2852,4362,4542,441

By race / ethnicity (2025).

Hispanic 62.7%
Black 20.0%
White 8.5%
Asian 6.0%
Two or more 2.9%

Climate

Attendance and chronic absenteeism (absent 10%+ of days).

Attendance & chronic absenteeism
Data table
Attendance & chronic absenteeism
Series201920212022202320242025
Attendance86.8%87.3%88.2%86.6%83.8%84.9%
Chronic absenteeism41.3%44.3%42.9%47.2%51.9%51%

Data: MSDE State Report Card (2019–2025), MCPS School Profiles & unified facts, U.S. Census ACS 2024, MD SDAT. “≥95” / “≤5” and dropped groups are privacy-suppressed for small counts — withheld, not zero. Independent project, not affiliated with MCPS or MSDE.