- Enrollment
- 3,266
- Students per teacher
- 17:1
- Resource Index
- 52/100
Middle school (grades 6-8) · Rockville, MD
Tilden Middle
Federal NCES profile for Tilden Middle, including enrollment, faculty, free-lunch eligibility, demographics, and resource indicators - Resource Investment Index 53/100.
2024-25 NCES dataMiddle school (grades 6-8)NCES 240048001450
👥 S:T ratio 29
🌟 Gifted program 70
🎓 Counselors 44
📋 Attendance 70
Scored 0–100 from federal NCES and CRDC indicators, resource allocation, not test scores. Full methodology →
The verdict
Tilden Middle earns 53/100 on the Resource Investment Index, with class sizes larger than 87% of Maryland schools. It is also more racially and ethnically mixed than most Maryland schools.
- #5 of 6
- middle schools in Rockville · Resource Index
- 53
- Resource Index · Higher
- 17.7:1
- large classes for Maryland
- 24.7%
- free-lunch eligible
Tilden Middle has class sizes larger than 87% of Maryland schools. Computed live against every Maryland school reporting to NCES.
By Resource Investment Index, Tilden Middle ranks #5 of 6 middle schools in Rockville, MD.
School address
District: Montgomery County Public Schools · Maryland
NCES ID 240048001450 Verify on NCES CCD record →
CCD year-over-year · 2022-23 → 2023-24
-15 students YoY
Tilden Middle held near 1,085 students from 2022-23 to 2023-24 (-15 headcount).
Teacher FTE added 63.2 → 74.0 across the same CCD years.
Source: NCES Common Core of Data public-school universe (2022-23, 2023-24).
Steady CCD campus
-15 students YoY 240048001450 · Rockville, MD Middle · MID · TRAD
1,112 enr · 17.7:1 · 24.7% lunch · RII 53
Nearest enrollment peer: Montgomery Blair High (3,266 students)
Tilden Middle held near 1,085 students from 2022-23 to 2023-24 (-15 headcount). Teacher FTE added 63.2 → 74.0 across the same CCD years. Read with this school → · District book → · Maryland schools → · Find another →
Tilden Middle 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
- Gaithersburg H
Gaithersburg High
2,441 students
- Seneca Valley
Seneca Valley High
2,409 students
- This school 1,112
Tilden Middle
1,112 students
What this shows Tilden Middle reports 1,112 students on the CCD universe file.
How Tilden Middle compares
Tilden Middle 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 | 17.7:1 | ▲ 22% | 14.5:1 | 15.7:1 |
| Free-lunch eligible | 24.7% | ▼ 50% | 49.0% | 51.7% |
| Enrollment | 1,112 | top 11% | - | - |
Source: NCES Common Core of Data School-level CCD + state/national means from Public School Universe · 2024-25
17.7:1
Leaner classes than 26% of US schools, heavier class loads than most.
1,112
Bigger than 93% of US schools by enrollment, a large campus nationally.
Equity indicators methodology
Economic need
24.7%
free-lunch eligible
- 50% below the Maryland average of 49.0%
Below the 40% Title I threshold; federal aid targets individual qualifying students rather than schoolwide programs.
Staffing depth
17.7:1
students per teacher
- 22% above state mean
Top 87% in Maryland - lower ratio than 13% of state schools
Between 16:1 and 20:1, squarely in the typical U.S. public-school staffing range.
Engagement
12.1%
chronically absent (missed 10%+ of school days)
In the 10-15% range, above the pre-pandemic national baseline but within the broader post-pandemic picture.
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
Counselors4.0 FTE
Per 278 students, the combined health-and-guidance staffing load for this school.
Discipline context
0
in-school suspensions + 3 out-of-school
Suspension rate: 0.0 per 100 students. Combined in-school and out-of-school rate: 0.3 per 100 students. Reported via the Civil Rights Data Collection.
Student demographics
White 39.2%
Hispanic or Latino 21.2%
Asian 16.8%
African American 15.2%
Two or More 7.2%
Native Hawaiian / Pacific Islander 0.2%
American Indian / Alaska Native 0.1%
Largest group: White at 39.2% of enrollment.
Student-body diversity index 74.5/100
Simpson diversity index - at 74.5, Tilden Middle is more mixed than the Maryland school average of 52.3.
Programs
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 Tilden Middle Compares to District-Mates
| School | Enrollment | Economic Profile | Student-Teacher Ratio |
|---|---|---|---|
| Montgomery Blair High | Larger | Higher economic need | Similar S:T ratio |
| Walter Johnson High | Larger | Similar economic need | Similar S:T ratio |
| Wheaton High | Larger | Higher economic need | Similar S:T ratio |
| Gaithersburg High | Larger | Higher economic need | Lower S:T ratio |
| Seneca Valley High | Larger | Higher economic need | Lower S:T ratio |
Comparisons are relative to Tilden Middle'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
- 2,441
- Students per teacher
- 14.4:1
- Resource Index
- 56/100
- Enrollment
- 2,409
- Students per teacher
- 15.6:1
- Resource Index
- 41/100
Similar middle schools in Rockville
5 comparable middle schools (grades 6-8) serving the same city.
Julius West Middle
Standard public school
1,365 students 15.5:1 students per teacher
Parkland Middle
Standard public school
1,185 students 16.5:1 students per teacher
Earle B. Wood Middle
Standard public school
1,019 students 14:1 students per teacher
Robert Frost Middle School
Standard public school
915 students 16.3:1 students per teacher
Redland Middle
Standard public school
562 students 12.2:1 students per teacher
Nationwide middle 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 (~1,112 students)
Similar student-teacher ratio (~17.7:1)
Frequently asked questions about Tilden Middle
How many students attend Tilden Middle?
Tilden Middle has 1,112 students enrolled. It is a middle school in Rockville, MD. CCD year-over-year: 1,100 (2022-23) → 1,085 (2023-24), nearly flat (-15).
What is the student-teacher ratio at Tilden Middle?
The student-teacher ratio at Tilden Middle is 17.7:1, which is 22% higher than the Maryland average of 14.5:1 and 13% higher than the national average of 15.7:1.
What percentage of students receive free lunch at Tilden Middle?
24.7% of students at Tilden Middle are eligible for free lunch, compared to the Maryland average of 49.0%.
What is the racial and ethnic makeup of Tilden Middle?
The largest demographic group at Tilden Middle is White at 39.2% of enrollment, in Rockville, MD. Its student body is more racially and ethnically mixed than most US schools, with a diversity index of 74.5/100.
What is the Resource Investment Index for Tilden Middle?
Tilden Middle has a Resource Investment Index of 53/100 (higher reported resources relative to schools nationally) based on 4 factors: student-teacher ratio, gifted-program reporting, counselor availability, chronic absenteeism. Not a test-score or academic measure (national median ~41/100, see methodology).
How does Tilden Middle rank among middle schools in Rockville?
By Resource Investment Index, Tilden Middle ranks #5 of 6 middle schools in Rockville, MD. This compares federal resource and staffing data among local peers; it is not a test-score or academic ranking. See all middle schools in Rockville on the city page.
What other schools are in Montgomery County Public Schools?
Besides Tilden Middle, 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.