The Dalles High School

220 E 10th St, The Dalles, OR 97058

CSchola Grade
Grades
9–12
High
Students
795
Enrolled 2024–25
Students per teacher
19.7 : 1
Full-time teachers
District
North Wasco County SD 21
Wasco County

Schola Grade C · Average

Letter grade (A–F) · compared with 198 Oregon high schools · How we grade
Test scores32% proficient in math & reading
52ndpercentile
Equity32% of low-income students proficient
52ndpercentile
Attendance39% chronically absent
80thpercentile
Graduation rate82% graduate in 4 years
28thpercentile
College readinessAt least 19% take AP, IB or dual-enrollment courses
43rdpercentile
Class size19.7 students per teacher
42ndpercentile

Percentiles compare this school with other Oregon high schools; the line marks the middle. Data: test scores 2021–22, graduation and absenteeism 2022–23 (U.S. Department of Education, EDFacts); coursework 2023–24 (Civil Rights Data Collection); staffing 2024–25 (NCES).

About The Dalles High School

The Dalles High School is a public high school in The Dalles, Oregon, serving grades 9–12. It is part of North Wasco County SD 21. The school is located in a remote town in Wasco County.

In the 2024–25 school year, 795 students were enrolled, with about 19.7 students for every full-time teacher. That ratio is larger than the typical Oregon high school (17.4 students per teacher). Its Schola Grade is C (average), compared with 198 Oregon high schools.

Grades & enrollment

Students per grade, 2024–25Grades 9–12

Location & nearby schools

220 E 10th St
The Dalles, OR 97058
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School details

Type
Public School · What this means
Level
High
Grades offered
9–12
Enrollment (2024–25)
795 students
Students per teacher
19.7 to 1
AP courses offered
6
Charter school
No
Magnet school
No
Virtual learning
Offers virtual courses
Locale
Town — Remote
School district
North Wasco County SD 21
County
Wasco County
NCES school ID
410004801159

Schools near The Dalles High School

All 7 schools in The Dalles →

School data comes from the U.S. Department of Education: the National Center for Education Statistics (NCES) Common Core of Data and EDGE school locations (2024–25) and Private School Survey (2023–24), the Civil Rights Data Collection (2023–24), and EDFacts (test results 2021–22; graduation and chronic absenteeism 2022–23), plus other public sources. Please contact the school to confirm enrollment, programs, and other details. How we source data.