What grades does The Dalles High School serve?

As a High school, The Dalles High School serves students in The Dalles, OR. The school is administered by the local school district.

Where is The Dalles High School located?

You can find The Dalles High School in The Dalles, OR.

What is the student-teacher ratio at The Dalles High School?

At The Dalles High School, there are approximately 20.9 students for every teacher.

What schools are in The Dalles, OR?

The Dalles High School is among the schools serving The Dalles, OR. The school is part of the local school system.

ORHighCalendar available · 23 events · Auto-updating

Events confirmed from North Wasco County SD 21's official calendar.

The Dalles High School — School Calendar 2026-27

High|The Dalles, Oregon|North Wasco County SD 21

The Dalles, OR 97058

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Upcoming Events

Nov

Wed

Veterans' Day HolidayHolidayDistrict-wide

Banks, government offices, and schools may be closed.

Nov

Fri

End of Trimester 1EventDistrict-wide

Nov

Mon

Teacher Work DayStaff DayDistrict-wide

No School for Students Check the school calendar for any schedule changes on this day.

Nov

Wed

Fall BreakBreakDistrict-wide

Fall Break – Non-Contract / No School Review the calendar for the full break dates.

Dec

Mon

Winter BreakBreakDistrict-wide

Winter Break – Non-Contract / No School Review the calendar for the full break dates.

Jan

Mon

Early Release (K-12th grade)half_dayDistrict-wide

Early Release – All Schools (K-12th grade)

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School Profile

Grades

9–12

Enrollment

834

Student:Teacher

20.9:1

Locale

Town

District

North Wasco County SD 21

Econ. Disadvantaged

76.5%

Phone

(541)506-3400

School Statistics

Academics (SY 2020-21)

ELA Proficiency

65-69%

Math Proficiency

25-29%

Graduation Rate

76%

Chronic Absenteeism

25.4%

SY 2019-20

Programs & Activities (SY 2021-22)

AP Program

5 courses offered

127 students enrolled

Gifted & Talented

73 students enrolled

Dual Enrollment

223 students enrolled

SAT/ACT

19 test takers

Athletics

5 sports, 11 teams

463 participants

Student-Teacher Ratio: 18.1:1

Near average in OR

Technology & Internet Access (SY 2021-22)

Wi-Fi

Campus-wide wireless

Fiber Internet

High-speed connection

1,291

Connected devices

Staff & Support Services (SY 2021-22)

Teachers (FTE)

100% fully certified

Counselors

Nurses

Anti-Bullying Policy

District Finance (FY 2023)

Per-Pupil Spending

$16,322

Total current expenditure

Instruction Spending

$9,363

Per pupil, classroom only

Total Revenue/Pupil

$17,573

All funding sources

Funding Sources

Federal 18%State 52%Local 29%

District-level data from NCES F-33 Survey

Community Context

Community Need Level

Elevated

CDC/ATSDR Social Vulnerability Index 2022

Neighborhood Indicators (Census Tract)

24.2%

Below 150% poverty line

7.0%

Unemployment rate

8.7%

Uninsured residents

13.6%

No HS diploma (25+)

Special Education (IDEA)

District-level data from IDEA Part B · Students ages 3-21 served under IDEA

Total Students Served

490

Ages 3-21 under IDEA

School-Age (6-21)

435

Receiving special ed services

Est. % of Enrollment

52%

District rate, school may vary

Disability Categories (District)

Specific Learning Disability

123 (28%)

Speech/Language Impairment

103 (24%)

Other Health Impairment

66 (15%)

Autism

51 (12%)

Intellectual Disability

26 (6%)

Emotional Disturbance

12 (3%)

Source: U.S. Department of Education, IDEA Section 618 Data · District-level counts · Individual school figures may differ

Enrollment Trend (2014-2025)

795

Current enrollment

Stable(-5% 5yr)

Coming Up

Wed, Nov 11, 2026

Veterans' Day Holiday

No School

Holiday

Fri, Nov 20, 2026

End of Trimester 1

Event

Mon, Nov 23, 2026

Teacher Work Day

No School for Students Check the school calendar for any schedule changes on this day.

Staff Day

Full School Calendar 2026-27

Events marked District-wide apply to all schools in North Wasco County SD 21. The Dalles High School follows the district calendar.

Date	Event	Type	Level
Tue, Sep 1, 2026	First Day of School (KG - 12th grades)District-wide First Day of School for KG - 12th grades	Event	—
Tue, Sep 1, 2026	Early Release (K-12th grade)District-wide Early Release – All Schools (K-12th grade)	half_day	—
Mon, Sep 7, 2026	Labor Day HolidayDistrict-wide No School	Holiday	—
Fri, Oct 9, 2026	Inservice DayDistrict-wide No School for Students Check the district notice for inservice day details and any schedule changes.	Staff Day	—
Mon, Oct 12, 2026	Indigenous People's DayDistrict-wide Non-Contract / No School	Holiday	—
Wed, Nov 11, 2026	Veterans' Day HolidayDistrict-wide No School	Holiday	—
Fri, Nov 20, 2026	End of Trimester 1District-wide	Event	—
Mon, Nov 23, 2026	Teacher Work DayDistrict-wide No School for Students Check the school calendar for any schedule changes on this day.	Staff Day	—
Wed, Nov 25, 2026	Fall BreakDistrict-wide Fall Break – Non-Contract / No School Review the calendar for the full break dates.	Break	—
Mon, Dec 21, 2026	Winter BreakDistrict-wide Winter Break – Non-Contract / No School Review the calendar for the full break dates.	Break	—
Mon, Jan 4, 2027	Early Release (K-12th grade)District-wide Early Release – All Schools (K-12th grade)	half_day	—
Mon, Jan 18, 2027	Martin Luther King Jr. DayDistrict-wide MLK Jr Day – Non-Contract / No School Check the calendar for any schedule changes related to this observance.	Holiday	—
Mon, Feb 15, 2027	Presidents' DayDistrict-wide Presidents’ Day – Non-Contract / No School	Holiday	—
Thu, Mar 11, 2027	End of Trimester 2District-wide	Event	—
Fri, Mar 12, 2027	Teacher Work DayDistrict-wide Teacher Work Day – No School Check the school calendar for any schedule changes on this day.	Staff Day	—
Mon, Mar 22, 2027	Spring BreakDistrict-wide Spring Break – Non-Contract / No School Review the calendar for the full break dates.	Break	—
Mon, Apr 26, 2027	Non-Contract / No SchoolDistrict-wide	Holiday	—
Mon, May 31, 2027	Memorial Day HolidayDistrict-wide Memorial Day Holiday – No School	Holiday	—
Sat, Jun 5, 2027	High School GraduationDistrict-wide Review the school calendar for ceremony time and location details.	Event	—
Fri, Jun 11, 2027	Last Day of School / Early ReleaseDistrict-wide Last Day of School / ER / End of Trimester 3 Check the school calendar for dismissal time and early release details.	Event	—
Mon, Jun 14, 2027	Teacher Work DayDistrict-wide Teacher Work Day – No School for Students Check the school calendar for any schedule changes on this day.	Staff Day	—
Fri, Jun 18, 2027	Juneteenth HolidayDistrict-wide Juneteenth Holiday – Non Contract/Holiday - No School for Staff or Students Review the calendar for holiday observance details.	Holiday	—