Serving 288 students in grades Kindergarten-8, Lewis And Clark Montessori Charter School ranks in the bottom 50% of all schools in Oregon for overall test scores (math proficiency is bottom 50%, and reading proficiency is bottom 50%).
The percentage of students achieving proficiency in math is 26% (which is lower than the Oregon state average of 31%). The percentage of students achieving proficiency in reading/language arts is 41% (which is lower than the Oregon state average of 44%).
The student-teacher ratio of 41:1 is higher than the Oregon state level of 17:1.
Minority enrollment is 25% of the student body (majority Hispanic), which is lower than the Oregon state average of 43% (majority Hispanic).
Quick Facts (2026)
- School Type: Charter School
- Grades: Kindergarten-8
- Enrollment: 288 students
- Student-Teacher Ratio: 41:1
- Minority Enrollment: 25%
- Overall Testing Rank: Bottom 50% in OR
- Math Proficiency: 26% (Btm 50%)
- Reading Proficiency: 41% (Btm 50%)
- Science Proficiency: 30-34% (Top 50%)
- Source: National Center for Education Statistics (NCES), OR Dept. of Education
School Overview
Lewis And Clark Montessori Charter School's student population of 288 students has declined by 17% over five school years.
The teacher population of 7 teachers has declined by 58% over five school years.
School Type
Grades Offered
Grades Kindergarten-8
(No virtual instruction)
(No virtual instruction)
Total Students
288 students
Total Classroom Teachers
7 teachers
Year Founded
2005
School Calendar
School Motto
Truth and Honor
School Rankings
Lewis And Clark Montessori Charter School ranks within the bottom 50% of all 1,174 schools in Oregon (based off of combined math and reading proficiency testing data).
The diversity score of Lewis And Clark Montessori Charter School is 0.41, which is less than the diversity score at state average of 0.60. The school's diversity has stayed relatively flat over five school years.
Overall Testing Rank
#712 out of 1174 schools
(Bottom 50%)
(Bottom 50%)
Math Test Scores (% Proficient)
26%
31%
Reading/Language Arts Test Scores (% Proficient)
41%
44%
Science Test Scores (% Proficient)
30-34%
30%
Student-Teacher Ratio
41:1
17:1
American Indian
n/a
1%
Asian
2%
4%
Hispanic
15%
26%
Black
1%
3%
White
75%
57%
Hawaiian
n/a
1%
Two or more races
7%
8%
All Ethnic Groups
Eligible for Free Lunch
24%
67%
Eligible for Reduced Lunch
13%
n/a
School Statewide Testing
School District Name
Source: National Center for Education Statistics (NCES), OR Dept. of Education
Frequently Asked Questions
What is Lewis And Clark Montessori Charter School's ranking?
Lewis And Clark Montessori Charter School is ranked #712 out of 1,174 schools, which ranks it among the bottom 50% of public schools in Oregon.
What schools are Lewis And Clark Montessori Charter School often compared to?
Lewis And Clark Montessori Charter Schoolis often viewed alongside schools like Oregon Trail Academy by visitors of our site.
What percent of students have achieved state testing proficiency in math and reading?
26% of students have achieved math proficiency (compared to the 31% OR state average), while 41% of students have achieved reading proficiency (compared to the 44% OR state average).
How many students attend Lewis And Clark Montessori Charter School?
288 students attend Lewis And Clark Montessori Charter School.
What is the racial composition of the student body?
75% of Lewis And Clark Montessori Charter School students are White, 15% of students are Hispanic, 7% of students are Two or more races, 2% of students are Asian, and 1% of students are Black.
What is the student-teacher ratio of Lewis And Clark Montessori Charter School?
Lewis And Clark Montessori Charter School has a student ration of 41:1, which is higher than the Oregon state average of 17:1.
What grades does Lewis And Clark Montessori Charter School offer ?
Lewis And Clark Montessori Charter School offers enrollment in grades Kindergarten-8 (No virtual instruction).
What school district is Lewis And Clark Montessori Charter School part of?
Lewis And Clark Montessori Charter School is part of Gresham-Barlow SD 10j School District.
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