Odessa Shannon Middle
Downcounty Consortium cluster · 11800 Monticello Ave, 20902
School website ↗ · Odessa Shannon MS PTSA ↗
Academics
MCAP proficiency over time. Privacy-suppressed years break the line.
Data table
| Series | 2019 | 2021 | 2022 | 2023 | 2024 | 2025 |
|---|---|---|---|---|---|---|
| ELA | 32.3% | 25.6% | 26.4% | 27.7% | 31.8% | 29.5% |
| Math | 17.7% | 11.3% | 8.5% | 6.7% | 9.5% | 8.2% |
| Science | 26.1% | 19.6% | — | — | — | — |
2020 paused; general Science is 2019 & 2021 only.
Class size
Average class size by grade band over recent years, with the latest year measured against MCPS's published guideline.
Data table
| Series | 2022-2023 | 2023-2024 | 2024-2025 |
|---|---|---|---|
| English | 13.0 * | 24.4 | 21.8 |
| Other | 15.3 * | 21.9 | 20.4 |
- English 21.8 target 30 · within guideline
- Other 20.4 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.
6 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.
Data table
| Series | 2023 | 2024 | 2025 |
|---|---|---|---|
| Inclusion % | 57.7% | 63.9% | 71.8% |
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 middle school at this level.
Special education & multilingual support
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.
Academics - Continuation
Student Support
Special Education
Source: MCPS Office of Student Affairs program catalog (2025). Find schools by program →
Students
Data table
| Series | 2021 | 2022 | 2023 | 2024 | 2025 |
|---|---|---|---|---|---|
| Enrollment | 795 | 760 | 823 | 771 | 784 |
By race / ethnicity (2025).
Climate
Attendance and chronic absenteeism (absent 10%+ of days).
Data table
| Series | 2019 | 2021 | 2022 | 2023 | 2024 | 2025 |
|---|---|---|---|---|---|---|
| Attendance | 94.1% | 91.3% | 94.8% | 94.3% | 92.7% | 92.9% |
| Chronic absenteeism | 20.7% | 26.6% | 32% | 17.8% | 22.9% | 24.1% |
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.