For the 2025 school year, there are 2 public high schools serving 815 students in 99349, WA.
The top ranked public high schools in 99349, WA are Sentinel Tech Alt School and Wahluke High School. Overall testing rank is based on a school's combined math and reading proficiency test score ranking.
high schools in zipcode 99349 have an average math proficiency score of 12% (versus the Washington public high school average of 35%), and reading proficiency score of 52% (versus the 65% statewide average). High schools in 99349, WA have an average ranking of 2/10, which is in the bottom 50% of Washington public high schools.
high school in zipcode 99349 have a Graduation Rate of 85%, which is more than the Washington average of 84%.
The school with highest graduation rate is Wahluke High School, with 85-89% graduation rate. Read more about public school graduation rate statistics in Washington or national school graduation rate statistics.
Minority enrollment is 99% of the student body (majority Hispanic), which is more than the Washington public high school average of 50% (majority Hispanic).
Best 99349, WA High Schools (2025)
School
(Math and Reading Proficiency)
(Math and Reading Proficiency)
Location
Grades
Students
Rank: #11.
Sentinel Tech Alt School
Alternative School
(Math: <50% | Reading: <50% )
Rank:
Rank:
4/
Bottom 50%10
20140 Rd 24 Sw
Mattawa, WA 99349
(509) 932-4565
Mattawa, WA 99349
(509) 932-4565
Grades: 9-12
| 34 students
Rank: #22.
Wahluke High School
(Math: 10-14% | Reading: 50-54%)
Rank:
Rank:
3/
Bottom 50%10
505 N Boundary
Mattawa, WA 99349
(509) 932-4477
Mattawa, WA 99349
(509) 932-4477
Grades: 9-12
| 781 students
Frequently Asked Questions
What are the top ranked public high schools in 99349, WA?
The top ranked public high schools in 99349, WA include Sentinel Tech Alt School and Wahluke High School.
How many public high schools are located in 99349?
2 public high schools are located in 99349.
What is the racial composition of students in 99349?
99349 public high schools minority enrollment is 99% of the student body (majority Hispanic), which is more than the Washington public high schools average of 50% (majority Hispanic).
Recent Articles

What is Project-Based Learning?
Project-based learning has been highly touted by some educators as a viable option to traditional learning models. We’ll take a look at what project-based learning is and why it is getting so much attention today.

What is an Online High School
Find information about Online High Schools - what they are and how they work.

“Smart Snacks” Standards Coming to School Vending Machines Nationwide
We explore new federal regulations that will ban junk food from public schools. This means no more sweets and soda in cafeteria lines, vending machines and snacks sold in other locations around the schools.