- Enrollment
- 3,266
- Students per teacher
- 17:1
- Resource Index
- 52/100
High school (grades 9-12) · Gaithersburg, MD
Gaithersburg High
Federal NCES profile for Gaithersburg High, including enrollment, faculty, free-lunch eligibility, demographics, and resource indicators - Resource Investment Index 56/100.
2024-25 NCES dataHigh school (grades 9-12)NCES 240048000838
👥 S:T ratio 42
🌟 Gifted program 70
🎓 Counselors 56
Scored 0–100 from federal NCES and CRDC indicators, resource allocation, not test scores. Full methodology →
The verdict
Gaithersburg High earns 56/100 on the Resource Investment Index, with class sizes near the Maryland median. It is also one of the largest schools in Maryland.
- #1 of 3
- high schools in Gaithersburg · Resource Index
- 56
- Resource Index · Higher
- 14.4:1
- students per teacher
- 58.7%
- free-lunch eligible
Gaithersburg High has class sizes near the Maryland median. Computed live against every Maryland school reporting to NCES.
By Resource Investment Index, Gaithersburg High ranks #1 of 3 high schools in Gaithersburg, MD.
School address
District: Montgomery County Public Schools · Maryland
NCES ID 240048000838 Verify on NCES CCD record →
CCD year-over-year · 2022-23 → 2023-24
+18 students YoY
Gaithersburg High held near 2,454 students from 2022-23 to 2023-24 (+18 headcount).
Teacher FTE added 170.8 → 177.0 across the same CCD years.
Source: NCES Common Core of Data public-school universe (2022-23, 2023-24).
Steady CCD campus
+18 students YoY 240048000838 · Gaithersburg, MD High · LARGE · TRAD
2,441 enr · 14.4:1 · 58.7% lunch · RII 56
Nearest enrollment peer: Montgomery Blair High (3,266 students)
Gaithersburg High held near 2,454 students from 2022-23 to 2023-24 (+18 headcount). Teacher FTE added 170.8 → 177.0 across the same CCD years. Read with this school → · District book → · Maryland schools → · Find another →
Gaithersburg High in the enrollment neighbourhood
Fall enrollment among this campus and nearest district peers
- Montgomery Bla
Montgomery Blair High
3,266 students
- Walter Johnson
Walter Johnson High
3,016 students
- Wheaton High
Wheaton High
2,794 students
- This school
Gaithersburg High
2,441 students
- Seneca Valley
Seneca Valley High
2,409 students
- Bethesda-Chevy
Bethesda-Chevy Chase High
2,377 students
What this shows Gaithersburg High reports 2,441 students on the CCD universe file.
How Gaithersburg High compares
Gaithersburg High held steady on CCD headcount: ratios and free-lunch share vs Maryland and U.S. means.
| Metric | This school | vs Maryland | Maryland avg | U.S. avg |
|---|---|---|---|---|
| Students per teacher | 14.4:1 | ▼ 1% | 14.5:1 | 15.7:1 |
| Free-lunch eligible | 58.7% | ▲ 20% | 49.0% | 51.7% |
| Enrollment | 2,441 | top 1% | - | - |
Source: NCES Common Core of Data School-level CCD + state/national means from Public School Universe · 2024-25
14.4:1
Leaner classes than 53% of US schools, a middle-of-the-pack class size.
2,441
Bigger than 99% of US schools by enrollment, a large campus nationally.
Equity indicators methodology
Economic need
58.7%
free-lunch eligible
- 20% above the Maryland average of 49.0%
Above the 40% Title I schoolwide threshold; federal funds support the whole school, not individual students.
Staffing depth
14.4:1
students per teacher
- 1% below state mean
Top 49% in Maryland - lower ratio than 51% of state schools
Close to the 15:1 benchmark most often cited for individualized attention.
Funding equity
$19,456
per pupil, district-wide
- above Maryland avg of $18,753
Somewhat above the U.S. public-school average, reflecting higher local or state investment per enrolled student.
Support staff
Counselors11.0 FTE
Per 222 students, the combined health-and-guidance staffing load for this school.
Discipline context
2
in-school suspensions + 97 out-of-school
Suspension rate: 0.1 per 100 students. Combined in-school and out-of-school rate: 4.1 per 100 students. Reported via the Civil Rights Data Collection. Includes 8 expulsions.
Student demographics
Hispanic or Latino 62.6%
African American 19.9%
White 8.4%
Asian 5.9%
Two or More 2.9%
American Indian / Alaska Native 0.1%
Native Hawaiian / Pacific Islander 0.1%
Largest group: Hispanic or Latino at 62.6% of enrollment.
Student-body diversity index 55.7/100
Simpson diversity index - at 55.7, Gaithersburg High is more mixed than the Maryland school average of 52.3.
Programs
AP courses offered 20
Gifted & talented Yes
District finance for Montgomery County Public Schools reports $19,456 per pupil (NCES F-33) - open the district page for the full revenue mix.
How Gaithersburg High Compares to District-Mates
| School | Enrollment | Economic Profile | Student-Teacher Ratio |
|---|---|---|---|
| Montgomery Blair High | Larger | Lower economic need | Higher S:T ratio |
| Walter Johnson High | Similar size | Lower economic need | Higher S:T ratio |
| Wheaton High | Similar size | Similar economic need | Higher S:T ratio |
| Seneca Valley High | Similar size | Similar economic need | Similar S:T ratio |
| Bethesda-Chevy Chase High | Similar size | Lower economic need | Higher S:T ratio |
Comparisons are relative to Gaithersburg High's own figures; each column derives from NCES Common Core of Data.
Other Schools in This District
- Enrollment
- 3,016
- Students per teacher
- 19.1:1
- Resource Index
- 51/100
- Enrollment
- 2,794
- Students per teacher
- 17.8:1
- Resource Index
- 43/100
- Enrollment
- 2,409
- Students per teacher
- 15.6:1
- Resource Index
- 41/100
- Enrollment
- 2,377
- Students per teacher
- 18.3:1
- Resource Index
- 50/100
Similar high schools in Gaithersburg
2 comparable high schools (grades 9-12) serving the same city.
Nationwide high schools with similar size or staffing
Out-of-state peers matched by enrollment and by student-teacher ratio, not the same-city or same-district lists above.
Similar enrollment (~2,441 students)
Frequently asked questions about Gaithersburg High
How many students attend Gaithersburg High?
Gaithersburg High has 2,441 students enrolled. It is a high school in Gaithersburg, MD. CCD year-over-year: 2,436 (2022-23) → 2,454 (2023-24), nearly flat (+18).
What is the student-teacher ratio at Gaithersburg High?
The student-teacher ratio at Gaithersburg High is 14.4:1, which is 1% lower than the Maryland average of 14.5:1 and 8% lower than the national average of 15.7:1. Lower ratios generally mean more individual attention per student.
What percentage of students receive free lunch at Gaithersburg High?
58.7% of students at Gaithersburg High are eligible for free lunch, compared to the Maryland average of 49.0%.
What is the racial and ethnic makeup of Gaithersburg High?
The largest demographic group at Gaithersburg High is Hispanic or Latino at 62.6% of enrollment, in Gaithersburg, MD. Its student body is more racially and ethnically mixed than most US schools, with a diversity index of 55.7/100.
What is the Resource Investment Index for Gaithersburg High?
Gaithersburg High has a Resource Investment Index of 56/100 (higher reported resources relative to schools nationally) based on 3 factors: student-teacher ratio, gifted-program reporting, counselor availability. Not a test-score or academic measure (national median ~41/100, see methodology).
How does Gaithersburg High rank among high schools in Gaithersburg?
By Resource Investment Index, Gaithersburg High ranks #1 of 3 high schools in Gaithersburg, MD. This compares federal resource and staffing data among local peers; it is not a test-score or academic ranking. See all high schools in Gaithersburg on the city page.
What other schools are in Montgomery County Public Schools?
Besides Gaithersburg High, Montgomery County Public Schools also operates Montgomery Blair High (3,266 students), Walter Johnson High (3,016 students), and Wheaton High (2,794 students). See the Montgomery County Public Schools district page for the complete list.