Enrollment
269
Maryland · 2024-25 NCES data
Other / mixed grade configuration · Baltimore, MD
Federal NCES profile for Sinclair Lane Elementary, including enrollment, faculty, free-lunch eligibility, demographics, and resource indicators - Resource Investment Index 28/100.
The verdict
Sinclair Lane Elementary earns 28/100 on the Resource Investment Index, with class sizes near the Maryland median. It is also less racially and ethnically mixed than most Maryland schools.
Sinclair Lane Elementary has class sizes near the Maryland median. Computed live against every Maryland school reporting to NCES.
By Resource Investment Index, Sinclair Lane Elementary ranks #134 of 177 schools in Baltimore, MD.
NCES ID 240009000313 Verify on NCES CCD record →
Enrollment
269
Maryland · 2024-25 NCES data
Teachers (FTE)
18.0
Federal CCD staff survey
Students per teacher
14.9:1
vs 14.5:1 Maryland avg
+3% vs state
Free-lunch eligible
86.0%
vs 49.0% Maryland avg
+76% vs state
How Sinclair Lane Elementary compares with Maryland and U.S. medians
Slightly above state median
14.9:1 - 0.4 above the Maryland state median of 14.5:1, indicating larger average class loads than typical schools in the state.
Sinclair Lane Elementary is a high-poverty, small combined-grade school in Baltimore, Maryland, enrolling 269 students.
At 14.9:1, its student-teacher ratio sits close to the Maryland median, within a few percentage points of the 14.5:1 state norm, neither notably crowded nor notably small.
Economic need is high: 86.0% of students qualify for free meals, 76% above the Maryland average, a Title I-weighted population that federal funding formulas prioritise.
Enrollment of 269 puts it in the smaller third of Maryland schools by headcount.
Its Resource Investment Index trails 96% of the 1,382 Maryland schools with a score on record, one of the lower results on this measure.
Among 82 similarly sized, similarly resourced-need Maryland schools statewide, it ranks #76, in the lower tier once campus size and economic need are matched.
Its student body is predominantly African American (87% of enrollment), among the less diverse in the state (diversity index 23/100).
Counselor access is stretched at roughly 538 students per counselor, well above the ASCA-recommended 250:1 ceiling.
Chronic absenteeism is elevated: 68.8% of students missed 10% or more of school days (2021-22 Civil Rights Data Collection).
Its district draws 15.3% of revenue from federal sources, an above-typical federal share that tends to track a higher-need student population.
Among Baltimore's public schools, it stands alongside Roland Park Elementary/Middle (1,371 students): Sinclair Lane Elementary is smaller than that campus by headcount and runs leaner classes (14.9:1 vs 19.6:1).
Baltimore City Public Schools also operates Mergenthaler Vocational-Technical High (1,714 students) and Baltimore Polytechnic Institute (1,632 students) alongside Sinclair Lane Elementary.
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
Sinclair Lane Elementary on the metrics families compare, against Maryland and U.S. means.
| Metric | This school | vs Maryland | Maryland avg | U.S. avg |
|---|---|---|---|---|
| Students per teacher | 14.9:1 | ▲ 3% | 14.5:1 | 15.7:1 |
| Free-lunch eligible | 86.0% | ▲ 76% | 49.0% | 51.7% |
| Enrollment | 269 | top 88% | - | - |
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: African American at 87.4% of enrollment.
Simpson diversity index - at 22.5, Sinclair Lane Elementary is less mixed than the Maryland school average of 52.3.
District-wide per-pupil expenditure for Baltimore City Public Schools, which includes Sinclair Lane Elementary.
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 |
|---|---|---|---|
| Mergenthaler Vocational-Technical High | Larger | Lower economic need | Higher S:T ratio |
| Baltimore Polytechnic Institute | Larger | Lower economic need | Higher S:T ratio |
| Baltimore City College | Larger | Lower economic need | Higher S:T ratio |
| Kipp Harmony Academy | Larger | Similar economic need | Similar S:T ratio |
| Roland Park Elementary/Middle | Larger | Lower economic need | Higher S:T ratio |
Comparisons are relative to Sinclair Lane Elementary's own figures; each column derives from NCES Common Core of Data.
6 comparable other schools (grades Mixed) 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 Sinclair Lane Elementary'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.
Sinclair Lane Elementary has 269 students enrolled. It is a public school in Baltimore, MD.
The student-teacher ratio at Sinclair Lane Elementary is 14.9:1, which is 3% higher than the Maryland average of 14.5:1 and 5% lower than the national average of 15.7:1.
86.0% of students at Sinclair Lane Elementary are eligible for free lunch, compared to the Maryland average of 49.0%.
The largest demographic group at Sinclair Lane Elementary is African American at 87.4% of enrollment, in Baltimore, MD.
Sinclair Lane Elementary has a Resource Investment Index of 28/100 (lower 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, Sinclair Lane Elementary ranks #134 of 177 schools in Baltimore, MD. This compares federal resource and staffing data among local peers; it is not a test-score or academic ranking. See all schools in Baltimore on the city page.
Sinclair Lane Elementary earns 28/100 on the Resource Investment Index, with class sizes near the Maryland median. It is also less racially and ethnically mixed than most Maryland schools. 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 Sinclair Lane Elementary, Baltimore City Public Schools also operates Mergenthaler Vocational-Technical High (1,714 students), Baltimore Polytechnic Institute (1,632 students), and Baltimore City College (1,470 students). See the Baltimore City 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, “Sinclair Lane Elementary, Baltimore 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/sinclair-lane-elementary-md
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