Serving 513 students in grades 6-8, The Dalles Middle 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 13% (which is lower than the Oregon state average of 31%). The percentage of students achieving proficiency in reading/language arts is 31% (which is lower than the Oregon state average of 44%).
The student-teacher ratio of 17:1 is equal to the Oregon state level of 17:1.
Minority enrollment is 56% of the student body (majority Hispanic), which is higher than the Oregon state average of 43% (majority Hispanic).
Quick Facts (2026)
- Grades: 6-8
- Enrollment: 513 students
- Student-Teacher Ratio: 17:1
- Minority Enrollment: 56%
- Overall Testing Rank: Bottom 50% in OR
- Math Proficiency: 13% (Btm 50%)
- Reading Proficiency: 31% (Btm 50%)
- Science Proficiency: 20-24% (Btm 50%)
- Source: National Center for Education Statistics (NCES), OR Dept. of Education
School Overview
The Dalles Middle School's student population of 513 students has declined by 14% over five school years.
The teacher population of 30 teachers has declined by 6% over five school years.
Grades Offered
Grades 6-8
(Supplemental Virtual)
(Supplemental Virtual)
Total Students
513 students
Total Classroom Teachers
30 teachers
School Calendar
School Rankings
The Dalles Middle 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 The Dalles Middle School is 0.58, 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
#1033 out of 1174 schools
(Bottom 50%)
(Bottom 50%)
Math Test Scores (% Proficient)
13%
31%
Reading/Language Arts Test Scores (% Proficient)
31%
44%
Science Test Scores (% Proficient)
20-24%
30%
Student-Teacher Ratio
17:1
17:1
American Indian
3%
1%
Asian
1%
4%
Hispanic
48%
26%
Black
n/a
3%
White
44%
57%
Hawaiian
1%
1%
Two or more races
3%
8%
All Ethnic Groups
Chronically Absent Students
(22-23)47.4%
43.8%
Eligible for Free Lunch
99%
67%
Eligible for Reduced Lunch (21-22)
7%
8%
School Statewide Testing
School District Name
Source: National Center for Education Statistics (NCES), OR Dept. of Education
Frequently Asked Questions
What is The Dalles Middle School's ranking?
The Dalles Middle School is ranked #1033 out of 1,174 schools, which ranks it among the bottom 50% of public schools in Oregon.
What percent of students have achieved state testing proficiency in math and reading?
13% of students have achieved math proficiency (compared to the 31% OR state average), while 31% of students have achieved reading proficiency (compared to the 44% OR state average).
How many students attend The Dalles Middle School?
513 students attend The Dalles Middle School.
What is the racial composition of the student body?
48% of The Dalles Middle School students are Hispanic, 44% of students are White, 3% of students are American Indian, 3% of students are Two or more races, 1% of students are Asian, and 1% of students are Hawaiian.
What is the student-teacher ratio of The Dalles Middle School?
The Dalles Middle School has a student ration of 17:1, which is equal to the Oregon state average of 17:1.
What grades does The Dalles Middle School offer ?
The Dalles Middle School offers enrollment in grades 6-8 (Supplemental Virtual).
What school district is The Dalles Middle School part of?
The Dalles Middle School is part of North Wasco County SD 21 School District.
School Reviews
5 10/10/2025
The Dalles Middle School has dedicated teachers who work really hard to provide a top notch education, despite the large classes they have to teach.
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