Lake Seneca Elementary
Seneca Valley cluster · 13600 Wanegarden Dr, 20874
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Academics
MCAP proficiency over time. Privacy-suppressed years break the line.
Data table
| Series | 2019 | 2021 | 2022 | 2023 | 2024 | 2025 |
|---|---|---|---|---|---|---|
| ELA | 34% | 16.5% | 37.4% | 32.4% | 32.1% | 24.8% |
| Math | 35.5% | 18.4% | 19.8% | 21.6% | 22.1% | 19.2% |
| Science | 10.1% | 33.3% | — | — | — | — |
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 |
|---|---|---|---|
| Kindergarten | 18.8 * | 13.5 | 15.3 |
| Grades 1 to 3 | 17.9 * | 17.8 | 16.6 |
| Grades 4 to 5 | 23.0 * | 16.8 | 24.2 |
- Kindergarten 15.3 target 19 · within guideline
- Grades 1 to 3 16.6 target 19–25 · within guideline
- Grades 4 to 5 24.2 target 27 · 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 % | 71% | 72.1% | 68.3% |
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 elementary 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.
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 | 461 | 485 | 459 | 478 | 437 |
By race / ethnicity (2025).
Climate
Attendance and chronic absenteeism (absent 10%+ of days).
Data table
| Series | 2019 | 2021 | 2022 | 2023 | 2024 | 2025 |
|---|---|---|---|---|---|---|
| Attendance | 93.7% | — | 91.8% | 90.6% | 91.7% | 92.5% |
| Chronic absenteeism | 22.5% | 17.6% | 35.4% | 38.9% | 33.9% | 26.3% |
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.