Enrollment
288
Oregon · 2024-25 NCES data
Elementary school (grades K-5) · Damascus, OR
Federal NCES profile for Lewis and Clark Montessori Charter School, including enrollment, faculty, free-lunch eligibility, demographics, and resource indicators - Resource Investment Index 32/100.
The verdict
Lewis and Clark Montessori Charter School earns 32/100 on the Resource Investment Index, with class sizes near the Oregon median.
Lewis and Clark Montessori Charter School has class sizes near the Oregon median. Computed live against every Oregon school reporting to NCES.
By Resource Investment Index, Lewis and Clark Montessori Charter School ranks #3 of 3 elementary schools in Damascus, OR.
NCES ID 410600001757 Verify on NCES CCD record →
Enrollment
288
Oregon · 2024-25 NCES data
Teachers (FTE)
18.0
Federal CCD staff survey
Students per teacher
16:1
vs 17.6:1 Oregon avg
-9% vs state
Free-lunch eligible
68.4%
vs 52.8% Oregon avg
+30% vs state
How Lewis and Clark Montessori Charter School compares with Oregon and U.S. medians
At or below state median
16:1 - 1.6 below the Oregon state median of 17.6:1, indicating smaller average class loads than typical schools in the state.
Lewis and Clark Montessori Charter School is a higher-need, mid-sized charter elementary school in Damascus, Oregon, enrolling 288 students.
Class sizes run a bit leaner than typical: 16:1 puts it in the smaller third of Oregon schools by student-teacher ratio.
Economic need runs somewhat above the state's typical profile, with 68.4% of students eligible for free meals.
With 288 students, its enrollment sits close to the Oregon median campus size.
Its Resource Investment Index lands in the lower third of 1,273 scored Oregon schools.
Against 274 statewide peers matched on enrollment and economic need, it ranks mid-pack at #191.
Its student body is led by White (75%) and Hispanic or Latino (15%) (diversity index 41/100).
Chronic absenteeism is elevated: 28.1% of students missed 10% or more of school days (2021-22 Civil Rights Data Collection).
The surrounding Gresham-Barlow Sd 10j spends $13,227 per pupil, 27% below the Oregon average, a leaner-resourced district than most.
Among Damascus's elementary schools, it stands alongside Beatrice Morrow Cannady Elementary (506 students): Lewis and Clark Montessori Charter School is smaller than that campus by headcount and runs leaner classes (16:1 vs 18.7:1).
Gresham-Barlow Sd 10j also operates Gresham High School (1,685 students) and Sam Barlow High School (1,635 students) alongside Lewis and Clark Montessori Charter School.
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
Lewis and Clark Montessori Charter School on the metrics families compare, against Oregon and U.S. means.
| Metric | This school | vs Oregon | Oregon avg | U.S. avg |
|---|---|---|---|---|
| Students per teacher | 16:1 | ▼ 9% | 17.6:1 | 15.7:1 |
| Free-lunch eligible | 68.4% | ▲ 30% | 52.8% | 51.7% |
| Enrollment | 288 | top 61% | - | - |
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: White at 74.8% of enrollment.
Simpson diversity index - at 41.3, Lewis and Clark Montessori Charter School is less mixed than the Oregon school average of 47.1.
District-wide per-pupil expenditure for Gresham-Barlow Sd 10j, which includes Lewis and Clark Montessori Charter School.
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 |
|---|---|---|---|
| Gresham High School | Larger | Higher economic need | Higher S:T ratio |
| Sam Barlow High School | Larger | Lower economic need | Higher S:T ratio |
| Metro East Web Academy | Larger | No free-lunch data | Higher S:T ratio |
| Gordon Russell Middle School | Larger | Higher economic need | Higher S:T ratio |
| Clear Creek Middle School | Larger | Higher economic need | Higher S:T ratio |
Comparisons are relative to Lewis and Clark Montessori Charter School's own figures; each column derives from NCES Common Core of Data.
2 comparable elementary schools (grades K-5) serving the same city.
Matched by enrollment size and by staffing ratio across all of Oregon, not just this city - a different peer set than the local comparisons above.
Next steps
Verify locally before acting on Lewis and Clark Montessori Charter School'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.
Lewis and Clark Montessori Charter School has 288 students enrolled. It is an elementary school in Damascus, OR.
The student-teacher ratio at Lewis and Clark Montessori Charter School is 16:1, which is 9% lower than the Oregon average of 17.6:1 and 2% higher than the national average of 15.7:1. Lower ratios generally mean more individual attention per student.
68.4% of students at Lewis and Clark Montessori Charter School are eligible for free lunch, compared to the Oregon average of 52.8%.
The largest demographic group at Lewis and Clark Montessori Charter School is White at 74.8% of enrollment, in Damascus, OR.
Lewis and Clark Montessori Charter School has a Resource Investment Index of 32/100 (typical reported resources relative to schools nationally) based on 3 factors: student-teacher ratio, attendance rates. Not a test-score or academic measure (national median ~41/100, see methodology).
By Resource Investment Index, Lewis and Clark Montessori Charter School ranks #3 of 3 elementary schools in Damascus, OR. This compares federal resource and staffing data among local peers; it is not a test-score or academic ranking. See all elementary schools in Damascus on the city page.
Lewis and Clark Montessori Charter School earns 32/100 on the Resource Investment Index, with class sizes near the Oregon 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 Lewis and Clark Montessori Charter School, Gresham-Barlow Sd 10j also operates Gresham High School (1,685 students), Sam Barlow High School (1,635 students), and Metro East Web Academy (759 students). See the Gresham-Barlow Sd 10j 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, “Lewis and Clark Montessori Charter School, Damascus OR.” 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/lewis-and-clark-montessori-charter-school-or
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