Serving 110 students in grades 4-8, Three Rivers Charter School ranks in the top 1% of all schools in Oregon for overall test scores (math proficiency is top 5%, and reading proficiency is top 5%) .
The percentage of students achieving proficiency in math is 70-79% (which is higher than the Oregon state average of 32%). The percentage of students achieving proficiency in reading/language arts is ≥90% (which is higher than the Oregon state average of 47%).
The student:teacher ratio of 18:1 is higher than the Oregon state level of 17:1.
Minority enrollment is 40% of the student body (majority Asian), which is equal to the Oregon state average of 40% (majority Hispanic).
Quick Stats (2024)
- School Type: Charter School
- Grades: 4-8
- Enrollment: 110 students
- Student:Teacher Ratio: 18:1
- Minority Enrollment: 40%
- Overall Testing Rank: Top 1% in OR
- Math Proficiency: 70-79% (Top 5%)
- Reading Proficiency: ≥90% (Top 1%)
- Source: National Center for Education Statistics (NCES), OR Dept. of Education
Top Rankings
Three Rivers Charter School ranks among the top 20% of public schools in Oregon for:
Category
Attribute
Overall Rank
Math Proficiency
Reading/Language Arts Proficiency
Community Size
School Overview
Three Rivers Charter School's student population of 110 students has stayed relatively flat over five school years.
The teacher population of 6 teachers has stayed relatively flat over five school years.
School Type
Grades Offered
Grades 4-8
Total Students
110 students
Gender %
Total Classroom Teachers
6 teachers
Students by Grade
School Rankings
Three Rivers Charter School ranks within the top 1% of all 740 schools in Oregon (based off of combined math and reading proficiency testing data).
The diversity score of Three Rivers Charter School is 0.58, which is equal to the diversity score at state average of 0.58. The school's diversity has stayed relatively flat over five school years.
Overall Testing Rank
#7 out of 740 schools
(Top 1%)
(Top 1%)
Math Test Scores (% Proficient)
70-79%
32%
Reading/Language Arts Test Scores (% Proficient)
≥90%
47%
Student : Teacher Ratio
18:1
17:1
American Indian
n/a
1%
Asian
20%
4%
Hispanic
5%
25%
Black
n/a
2%
White
60%
60%
Hawaiian
n/a
1%
Two or more races
15%
7%
All Ethnic Groups
Eligible for Free Lunch
3%
43%
Eligible for Reduced Lunch
5%
8%
School Statewide Testing
School District Name
Source: 2021-2022 (latest school year available) National Center for Education Statistics (NCES), OR Dept. of Education
Frequently Asked Questions
What is Three Rivers Charter School's ranking?
Three Rivers Charter School is ranked #7 out of 740 schools, which ranks it among the top 1% of public schools in Oregon.
What percent of students have achieved state testing proficiency in math and reading?
70-79% of students have achieved math proficiency (compared to the 32% OR state average), while ≥90% of students have achieved reading proficiency (compared to the 47% OR state average).
How many students attend Three Rivers Charter School?
110 students attend Three Rivers Charter School.
What is the racial composition of the student body?
60% of Three Rivers Charter School students are White, 20% of students are Asian, 15% of students are Two or more races, and 5% of students are Hispanic.
What is the student:teacher ratio of Three Rivers Charter School?
Three Rivers Charter School has a student ration of 18:1, which is higher than the Oregon state average of 17:1.
What grades does Three Rivers Charter School offer ?
Three Rivers Charter School offers enrollment in grades 4-8
What school district is Three Rivers Charter School part of?
Three Rivers Charter School is part of West Linn-Wilsonville SD 3j School District.
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