Lewis & Clark Elementary School
School pathway
Test scores
OSAS 2024-25 . % ProficientWhat this means: On the OSAS, Oregon's statewide test, about 30 of every 100 students at this school read and write at grade level and about 25 of 100 do math at grade level. Across all Oregon schools, those numbers are about 43 and 32. Reading and writing scores are down about 2 points since 2023, while math scores are down about 3 points.
BeatsExpectations
Demographically-adjusted score · methodologyWhat this means: About 26% of students here test proficient in math and reading, compared with the roughly 35% typical for Oregon schools with a similar share of low-income students. BeatsExpectations measures results against demographically similar schools rather than by raw scores, and this school falls within the typical range, neither among Oregon's top nor bottom 10%.
7-year change
SY 2017-18 vs SY 2024-25About Lewis & Clark Elementary School
Lewis & Clark Elementary School, a mid-sized K-5 school in St Helens, Oregon, part of St Helens SD 502, works with 426 students, covering grades K through 5. That puts it 33% bigger than the typical public school in Oregon, which averages around 321 students.
Lewis & Clark Elementary School is one of 8 schools operated by St Helens SD 502, a district that educates 2,856 students overall.
On demographics, Lewis & Clark Elementary School records that the largest single group is White, at 73% of enrollment. The remainder comes out to 15% Hispanic, 9% multiracial, 3% Native American. That is visibly less White than the county at large, where the share is closer to 85%.
In terms of school funding signals, The school employs 25 full-time-equivalent teachers, for a student-teacher ratio near 16.8:1. That tracks the state average closely. Roughly 72% of students at Lewis & Clark Elementary School qualify for free or reduced-price lunch, a number frequently used as a low-income enrollment indicator. That share is north of Columbia County's rate of about 62%.
On a residual basis (actual vs predicted given the student mix), Lewis & Clark Elementary School sits in the middle band of the BeatsExpectations distribution. Schools with this campus's student mix typically land near 34.5%; this one delivers 26.3%.
Across the wider county, community-level numbers for Columbia County indicate the typical household earns roughly $87,458 per year, about 20% of the adult population holds a bachelor's degree or above, and census figures put the poverty rate at about 6%. Across Columbia County's 23 public schools (combined enrollment of about 6,932 students), Lewis & Clark Elementary School is one campus in the mix.
St Helens Middle School is the nearest neighboring public school, about 0.3 miles from this campus. Within five miles, there are 8 other public schools. Among the 6 schools in that immediate cluster with test data (this one included), Lewis & Clark Elementary School ranks 3rd on composite proficiency, below the local average of 27.1%.
Geographically, the school is in a town-based area.
Five-year trend. Lewis & Clark Elementary School's enrollment has contracted 15% since 2018, when it stood at 499 (now 426). The student-to-teacher ratio tightened from 18.1:1 in 2018 to 16.8:1 today.
On this page, members of the Lewis & Clark Elementary School community share and discuss school events, parent volunteer needs, and clubs. The community welcomes input from current and former families.
Columbia County at a glance
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