Enrollment
784
Maryland · 2024-25 NCES data
Middle school (grades 6-8) · Silver Spring, MD
Federal NCES profile for Odessa Shannon Middle, including enrollment, faculty, free-lunch eligibility, demographics, and resource indicators - Resource Investment Index 48/100.
The verdict
Odessa Shannon Middle earns 48/100 on the Resource Investment Index, with class sizes near the Maryland median.
Odessa Shannon Middle has class sizes near the Maryland median. Computed live against every Maryland school reporting to NCES.
By Resource Investment Index, Odessa Shannon Middle ranks #10 of 10 middle schools in Silver Spring, MD.
NCES ID 240048000806 Verify on NCES CCD record →
Enrollment
784
Maryland · 2024-25 NCES data
Teachers (FTE)
58.0
Federal CCD staff survey
Students per teacher
13.5:1
vs 14.5:1 Maryland avg
-7% vs state
Free-lunch eligible
72.7%
vs 49.0% Maryland avg
+48% vs state
How Odessa Shannon Middle compares with Maryland and U.S. medians
At or below state median
13.5:1 - 1.0 below the Maryland state median of 14.5:1, indicating smaller average class loads than typical schools in the state.
Odessa Shannon Middle is a higher-need, mid-sized middle school in Silver Spring, Maryland, enrolling 784 students.
Class sizes run a bit leaner than typical: 13.5:1 puts it in the smaller third of Maryland schools by student-teacher ratio.
Economic need runs somewhat above the state's typical profile, with 72.7% of students eligible for free meals.
Enrollment of 784 puts it in the larger third of Maryland schools by headcount.
Its Resource Investment Index lands in the upper third of 1,382 scored Maryland schools.
Among 235 similarly sized, similarly resourced-need Maryland schools statewide, it ranks #19, a top-tier result once campus size and economic need are matched.
Its student body is led by Hispanic or Latino (64%) and African American (24%) (diversity index 53/100).
Counselor coverage is strong, about 196 students per counselor, inside the American School Counselor Association's recommended 250:1.
Chronic absenteeism is elevated: 33.4% of students missed 10% or more of school days (2021-22 Civil Rights Data Collection).
Among Silver Spring's middle schools, it stands alongside Takoma Park Middle (1,177 students): Odessa Shannon Middle is smaller than that campus by headcount and runs leaner classes (13.5:1 vs 17.3:1).
Montgomery County Public Schools also operates Montgomery Blair High (3,266 students) and Walter Johnson High (3,016 students) alongside Odessa Shannon Middle.
Sourced from NCES CCD, CRDC, and F-33 (federal records, not a quality verdict). How we source and compute this.
Source: National Center for Education Statistics Common Core of Data + CRDC + F-33 · 2024-25
Odessa Shannon Middle on the metrics families compare, against Maryland and U.S. means.
| Metric | This school | vs Maryland | Maryland avg | U.S. avg |
|---|---|---|---|---|
| Students per teacher | 13.5:1 | ▼ 7% | 14.5:1 | 15.7:1 |
| Free-lunch eligible | 72.7% | ▲ 48% | 49.0% | 51.7% |
| Enrollment | 784 | top 23% | - | - |
Source: NCES Common Core of Data School-level CCD + state/national means from Public School Universe · 2024-25
Three separate federal collections, each on its own reporting cadence - which is why this school's numbers line up on a consistent basis against every other school and state on this site, rather than mixing figures pulled from different survey years.
Largest group: Hispanic or Latino at 63.5% of enrollment.
Simpson diversity index - at 53.4, Odessa Shannon Middle is about as mixed as the Maryland school average of 52.3.
District-wide per-pupil expenditure for Montgomery County Public Schools, which includes Odessa Shannon Middle.
Source: NCES F-33 School District Finance Survey District-level finance · FY 2021-22 Per-pupil expenditure reflects the district-wide average. Individual school budgets are not reported at the federal level.
| School | Enrollment | Economic Profile | Student-Teacher Ratio |
|---|---|---|---|
| Montgomery Blair High | Larger | Lower economic need | Higher S:T ratio |
| Walter Johnson High | Larger | Lower economic need | Higher S:T ratio |
| Wheaton High | Larger | Lower economic need | Higher S:T ratio |
| Gaithersburg High | Larger | Lower economic need | Similar S:T ratio |
| Seneca Valley High | Larger | Lower economic need | Higher S:T ratio |
Comparisons are relative to Odessa Shannon Middle's own figures; each column derives from NCES Common Core of Data.
6 comparable middle schools (grades 6-8) serving the same city.
Matched by enrollment size and by staffing ratio across all of Maryland, not just this city - a different peer set than the local comparisons above.
Next steps
Verify locally before acting on Odessa Shannon Middle's federal record.
Federal record (CCD 2024-25, CRDC 2021-22) - PlainSchools assigns no subjective rating; the composite quality score is a transparent, reproducible index computed from this cited federal data.
Odessa Shannon Middle has 784 students enrolled. It is a middle school in Silver Spring, MD.
The student-teacher ratio at Odessa Shannon Middle is 13.5:1, which is 7% lower than the Maryland average of 14.5:1 and 14% lower than the national average of 15.7:1. Lower ratios generally mean more individual attention per student.
72.7% of students at Odessa Shannon Middle are eligible for free lunch, compared to the Maryland average of 49.0%.
The largest demographic group at Odessa Shannon Middle is Hispanic or Latino at 63.5% of enrollment, in Silver Spring, MD. Its student body is more racially and ethnically mixed than most US schools, with a diversity index of 53.4/100.
Odessa Shannon Middle has a Resource Investment Index of 48/100 (typical reported resources relative to schools nationally) based on 4 factors: student-teacher ratio, counselor availability, attendance rates. Not a test-score or academic measure (national median ~41/100, see methodology).
By Resource Investment Index, Odessa Shannon Middle ranks #10 of 10 middle schools in Silver Spring, 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 Silver Spring on the city page.
Odessa Shannon Middle earns 48/100 on the Resource Investment Index, with class sizes near the Maryland median. This is a resource snapshot, not an academic rating; see the Resource Investment Index question above for what the number does and doesn't measure.
Besides Odessa Shannon 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.
Every figure on PlainSchools is rendered directly from the source NCES, CRDC and F-33 federal records, no number is typed in by an editor. Each school's figures reflect its most recent NCES/CRDC submission on file. See our editorial standards & corrections policy, the methodology behind these numbers, or report a data error. Data current as of June 2026.
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PlainSchools, “Odessa Shannon Middle, Silver Spring MD.” Compiled from NCES Common Core of Data, Civil Rights Data Collection, and the NCES F-33 finance survey; data as of June 2026. https://plainschools.com/schools/odessa-shannon-middle-md
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