📊 Data: NCES CCD 2024–2025·🔄 Updated: August 2026·Editorial standards
📍 Mosier, OR · Wasco County

North Wasco School District 21

Grades Pre-K – 12th · 2,841 students · 7 schools · 1 zip code

3
out of 10 Rating Below Average
State reading & math proficiency · 28th percentile among Oregon districts. Ranked within Oregon only — not comparable across states.
Check a Zip Code
33,000+ zip codes across all 50 states
School District · Oregon
North Wasco School District 21
📍 Mosier, OR · Wasco County · NCES LEAID 4100048
3/10
Rating
2,841
Students
7
Schools
Pre-K – 12th
Grade Span
1
Zip Codes

District Contact & Information

Source: NCES CCD 2024–25
📚
Grades Served
Pre-K – 12th
📞
District Phone
🌐
District Website
📍
District Mailing Address
3632 W 10th St, The Dalles, OR 97058
🎓
Enrollment
2,841 students
🏫
Schools
7
🏷
NCES District ID (LEAID)
4100048
🏛
District Type
Public School District

Schools in North Wasco School District 21

7 schools listed
SchoolLevelGradesStudentsCity
Chenowith Elementary SchoolElementaryKindergarten – 5th418The Dalles
Colonel Wright Elementary SchoolElementaryKindergarten – 5th291The Dalles
Dry Hollow Elementary SchoolElementaryKindergarten – 5th424The Dalles
The Dalles Middle SchoolMiddle6th – 8th513The Dalles
The Dalles High SchoolHigh9th – 12th795The Dalles
Innovations AcademyOtherKindergarten – 12th232The Dalles
Mosier Community SchoolOtherKindergarten – 8th161Mosier

Zip Codes Served by North Wasco School District 21

1 zip code
Zip CodeCityCountyState
97040MosierWasco CountyOR

Frequently Asked Questions

What zip codes are in North Wasco School District 21?
North Wasco School District 21 serves 1 zip code: 97040. Zip codes and district boundaries do not line up exactly, so confirm your exact address with the district office before you rely on an assignment.
How is North Wasco School District 21 rated?
North Wasco School District 21 has an overall rating of 3 out of 10 (Below Average), based on the share of students proficient in reading and math on state assessments (NCES EDFacts). That places it in the 28th percentile among Oregon school districts. Ratings are percentile-ranked within Oregon only and are not comparable across states.
How many students attend North Wasco School District 21?
The NCES Common Core of Data directory reports enrollment of 2,841 students across 7 schools for North Wasco School District 21.
What grades does North Wasco School District 21 serve?
North Wasco School District 21 is listed in the NCES directory as serving grades Pre-K – 12th.
What schools are in North Wasco School District 21?
NCES lists 7 schools operating under North Wasco School District 21: 3 elementary, 1 middle, 1 high, 2 other or combined. Each school's grade span, enrollment and city are listed on this page. Attendance zones are set by the district and a school on this list is not necessarily the one your address is assigned to.
How do I contact North Wasco School District 21?
You can reach North Wasco School District 21 by phone at (541)506-3420 or online at www.nwasco.k12.or.us or by mail at 3632 W 10th St, The Dalles, OR 97058. Contact details come from the NCES district directory and are the best way to confirm which school your address is assigned to.

About North Wasco School District 21

North Wasco School District 21 is a public school district serving 1 zip code in Oregon, primarily in Wasco County. It carries an overall rating of 3/10 (Below Average), the 28th percentile among Oregon districts. That rating reflects the share of students proficient in reading and math on state assessments (NCES EDFacts, 2021–22 for most districts with a 2017–18 fallback for the rest) and is ranked only against other Oregon districts — scores are not comparable between states. Directory details on this page come from the NCES Common Core of Data, 2024–25.

Schools in this district

NCES lists 7 schools operating under North Wasco School District 21 — 3 elementary, 1 middle, 1 high and 2 other or combined. The largest by enrollment is The Dalles High School with 795 students. School-level enrollment comes from the NCES Common Core of Data school directory; a school with no reported enrollment is shown with a dash rather than a zero.

Checking your own address

District boundaries are address-specific and do not follow zip code lines exactly — a single zip code can be split between two or more districts. Use the zip codes listed above as a starting point, then confirm your assignment with the district office at (541)506-3420 before making a housing decision.