Serving 406 students in grades Kindergarten-8, Riverdale Grade School ranks in the top 5% 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 71% (which is higher than the Oregon state average of 31%). The percentage of students achieving proficiency in reading/language arts is 89% (which is higher than the Oregon state average of 44%).
The student-teacher ratio of 16:1 is lower than the Oregon state level of 17:1.
Minority enrollment is 23% of the student body (majority Hispanic), which is lower than the Oregon state average of 43% (majority Hispanic).
Quick Facts (2026)
- Grades: Kindergarten-8
- Enrollment: 406 students
- Student-Teacher Ratio: 16:1
- Minority Enrollment: 23%
- Overall Testing Rank: Top 5% in OR
- Math Proficiency: 71% (Top 5%)
- Reading Proficiency: 89% (Top 1%)
- Science Proficiency: 75-79% (Top 1%)
- Source: National Center for Education Statistics (NCES), OR Dept. of Education
Top Rankings
Riverdale Grade School ranks among the top 20% of public schools in Oregon for:
Category
Attribute
Overall Rank
Math Proficiency
Reading/Language Arts Proficiency
Science Proficiency
School Overview
Riverdale Grade School's student population of 406 students has grown by 7% over five school years.
The teacher population of 25 teachers has stayed relatively flat over five school years.
Grades Offered
Grades Kindergarten-8
(No virtual instruction)
(No virtual instruction)
Total Students
406 students
Total Classroom Teachers
25 teachers
School Calendar
School Motto
Be Safe Be Respectful Be Responsible
School Rankings
Riverdale Grade School ranks within the top 5% of all 1,174 schools in Oregon (based off of combined math and reading proficiency testing data).
The diversity score of Riverdale Grade School is 0.39, 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
#13 out of 1174 schools
(Top 5%)
(Top 5%)
Math Test Scores (% Proficient)
71%
31%
Reading/Language Arts Test Scores (% Proficient)
89%
44%
Science Test Scores (% Proficient)
75-79%
30%
Student-Teacher Ratio
16:1
17:1
American Indian
n/a
1%
Asian
4%
4%
Hispanic
6%
26%
Black
n/a
3%
White
77%
57%
Hawaiian
n/a
1%
Two or more races
13%
8%
All Ethnic Groups
Eligible for Free Lunch
1%
67%
Eligible for Reduced Lunch
1%
n/a
School Statewide Testing
School District Name
Source: National Center for Education Statistics (NCES), OR Dept. of Education
Frequently Asked Questions
What is Riverdale Grade School's ranking?
Riverdale Grade School is ranked #13 out of 1,174 schools, which ranks it among the top 5% of public schools in Oregon.
What schools are Riverdale Grade School often compared to?
Riverdale Grade Schoolis often viewed alongside schools like Winterhaven School, Sellwood Middle School by visitors of our site.
What percent of students have achieved state testing proficiency in math and reading?
71% of students have achieved math proficiency (compared to the 31% OR state average), while 89% of students have achieved reading proficiency (compared to the 44% OR state average).
How many students attend Riverdale Grade School?
406 students attend Riverdale Grade School.
What is the racial composition of the student body?
77% of Riverdale Grade School students are White, 13% of students are Two or more races, 6% of students are Hispanic, and 4% of students are Asian.
What is the student-teacher ratio of Riverdale Grade School?
Riverdale Grade School has a student ration of 16:1, which is lower than the Oregon state average of 17:1.
What grades does Riverdale Grade School offer ?
Riverdale Grade School offers enrollment in grades Kindergarten-8 (No virtual instruction).
What school district is Riverdale Grade School part of?
Riverdale Grade School is part of Riverdale SD 51j School District.
In what neighborhood is Riverdale Grade School located?
Riverdale Grade School is located in the Forest Highlands neighborhood of Portland, OR.
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