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Centennial Middle School

Public Grades 6-8
321st
SchoolDigger Rank ?
of 514 Washington Middle Schools
Better than 38% of Washington middle schools
Summary

Centennial Middle School is a public school serving 536 students in grades 6–8 in Spokane, Washington, within the West Valley School District (Spokane). Located in an economically mixed area, the school has a student-teacher ratio of 18.2:1 and serves a higher-need student population than several nearby schools. Centennial ranks around the 38th percentile among Washington middle schools, while its district ranks near the statewide midpoint. Overall, it appears to be a middle-performing local school that has made meaningful recent progress.

Academic results remain below district and state averages, but the direction is encouraging. In 2025–2026, proficiency was 38.91% in English Language Arts, 35.74% in math, and 33.92% in science. Math is the clearest recent success, rising from 24.05% in 2022–2023 to 35.74% in 2025–2026. However, results vary sharply by grade: math proficiency drops from 43.64% in 6th grade to 33.14% in 7th grade and 30.81% in 8th grade. Science is the largest schoolwide concern, while the latest special education subgroup ranking—6th percentile in 2024–2025—also merits close monitoring. Recent subgroup results for Hispanic students and students from low socioeconomic backgrounds were comparatively stronger, reaching the 54th and 50th percentiles, respectively.

Centennial compares favorably with nearby Garry Middle School, Shaw Middle School, and Denny Yasuhara Middle School, particularly in ELA and math. It trails the higher-performing Horizon Middle School, Evergreen Middle School, and nearby same-district West Valley City School by wide margins, especially in science. The most important areas to watch are 7th- and 8th-grade math, science instruction, special education outcomes, and whether recent gains continue.

536
Students ?
18.2
Student/teacher ratio ?
$18,051
Per pupil spending ?
59.5%
Free/reduced lunch eligible (2024-25) ?
 915 N Ella Rd
       Spokane, WA  99212

(509) 922-5482

District: West Valley School District (Spokane)


Students who attend Centennial Middle School usually attend:

High:    West Valley High School
Racial breakdown:

White:
73.3%
Hispanic:
13.2%
Two or more races:
6.7%
more
 See top rated Washington middle schools

 Compare Centennial Middle School to nearby middle schools!
At a glance
▲ Ranking trend: Rebounding — 20th percentile in 2023 → 38th in 2026
Strengths
✓Ranking is rebounding — up to 38th (2026) from a 20th-percentile low (2023)
Worth a look
!Test scores below the Washington average (37% vs 48% meeting standards)
!Some student groups rank well below the school's overall statewide standing
!Science scores 17 pts below the Washington average
Students meeting standards (2025-2026) ?
This school37%
District avg45%
Washington avg48%
321st of 514
Washington public middle schools ?
Bottom 38%▼ down 13 pts since 2016
From top 50% (2016) to bottom 38% (2026)
See the entire ranking list of Washington Middle Schools →
★★★★★
SchoolDigger rating ?
2nd of 2Middle Schools in the West Valley School District (Spokane)
120th of 238West Valley School District (Spokane) among Washington districts
Statewide rank percentile over time (100 = the top-ranked school in the state; click a legend item to add a student group)
Show full rank history (all student groups)

All Students

YearAvg scoreStatewide rankWashington percentileRating
202635.7321 of 51437.5%★★☆☆☆
202523.6423 of 53420.8%★☆☆☆☆
202434.5340 of 53536.4%★★☆☆☆
202322.8429 of 53920.4%★☆☆☆☆
202227.9394 of 54127.2%★☆☆☆☆
202133.1353 of 52933.3%★★☆☆☆
201928.4381 of 51225.6%★☆☆☆☆
201839.7267 of 43738.9%★★☆☆☆
201745.6234 of 43546.2%★★☆☆☆
201648.4221 of 44350.1%★★★☆☆
201543.7239 of 44546.3%★★☆☆☆
201348.3257 of 49848.4%★★☆☆☆
201250.8242 of 49751.3%★★★☆☆
201146.8272 of 49244.7%★★☆☆☆
201043.7287 of 48340.6%★★☆☆☆
200946.1263 of 47644.7%★★☆☆☆
200844.5268 of 46642.5%★★☆☆☆
200752.3217 of 46353.1%★★★☆☆
200640.3285 of 44936.5%★★☆☆☆
200561.0163 of 42561.6%★★★☆☆
200440.7268 of 42136.3%★★☆☆☆

English Language Learner

YearAvg scoreStatewide rankWashington percentileRating
201976.316 of 10084.0%★★★★☆

Female

YearAvg scoreStatewide rankWashington percentileRating
202634.3295 of 44333.4%★★☆☆☆
202518.2395 of 47116.1%★☆☆☆☆
202434.5309 of 46433.4%★★☆☆☆
202323.8365 of 46421.3%★☆☆☆☆
202231.0336 of 47929.9%★★☆☆☆
202138.6280 of 46940.3%★★☆☆☆
201926.3353 of 45221.9%★☆☆☆☆
201836.6244 of 37635.1%★★☆☆☆

Hispanic

YearAvg scoreStatewide rankWashington percentileRating
202649.7161 of 34753.6%★★★☆☆
202539.2202 of 34741.8%★★☆☆☆
202434.1223 of 34435.2%★★☆☆☆
202334.1220 of 33634.5%★★☆☆☆
202227.7265 of 36026.4%★☆☆☆☆
202132.6227 of 35335.7%★★☆☆☆
201948.1173 of 34449.7%★★★☆☆

Low Socio Economic Status

YearAvg scoreStatewide rankWashington percentileRating
202647.0228 of 45349.7%★★★☆☆
202523.3376 of 45717.7%★☆☆☆☆
202436.8286 of 45537.1%★★☆☆☆
202320.8387 of 46316.4%★☆☆☆☆
202223.8398 of 47516.2%★☆☆☆☆
202128.8342 of 45825.3%★☆☆☆☆
201929.8340 of 44824.1%★☆☆☆☆
201840.1215 of 34938.4%★★☆☆☆

Male

YearAvg scoreStatewide rankWashington percentileRating
202636.0288 of 45436.6%★★☆☆☆
202527.5350 of 47225.8%★☆☆☆☆
202433.2303 of 46635.0%★★☆☆☆
202320.1392 of 47016.6%★☆☆☆☆
202225.2372 of 48022.5%★☆☆☆☆
202129.0336 of 47629.4%★☆☆☆☆
201930.5321 of 45329.1%★☆☆☆☆
201839.2223 of 37139.9%★★☆☆☆

Multi-racial

YearAvg scoreStatewide rankWashington percentileRating
202627.3176 of 22220.7%★☆☆☆☆
202533.2175 of 24628.9%★☆☆☆☆
202453.3100 of 24358.8%★★★☆☆
202240.8145 of 25743.6%★★☆☆☆
202151.7111 of 25055.6%★★★☆☆
201920.2207 of 24615.9%★☆☆☆☆

Special Education

YearAvg scoreStatewide rankWashington percentileRating
202515.8175 of 1865.9%☆☆☆☆☆
202431.7117 of 17934.6%★★☆☆☆
201915.4224 of 2313.0%☆☆☆☆☆

White

YearAvg scoreStatewide rankWashington percentileRating
202626.8347 of 45323.4%★☆☆☆☆
202515.2434 of 48811.1%★☆☆☆☆
202427.4372 of 48623.5%★☆☆☆☆
202314.5441 of 4889.6%☆☆☆☆☆
202221.7404 of 48817.2%★☆☆☆☆
202125.7367 of 48023.5%★☆☆☆☆
201917.7411 of 47012.6%★☆☆☆☆
201825.9251 of 32522.8%★☆☆☆☆
How student groups rank statewide ? (each group's percentile vs the same group at other schools — higher is better; the +/- beside each compares the group with this school's overall percentile)
English Language Learner (2019)84th percentile+58 vs school
Hispanic (2026)54th percentile+16 vs school
Low Socio Economic Status (2026)50th percentile+12 vs school
Male (2026)37th percentile~ school
Female (2026)33rd percentile-4 vs school
White (2026)23rd percentile-14 vs school
Multi-racial (2026)21st percentile-17 vs school
Special Education (2025)6th percentile-15 vs school
By subject vs Washington (2025-2026) ?
English Language Arts39%-14 vs state
Math36%-7 vs state
Science34%-17 vs state

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Frequently Asked Questions about Centennial Middle School

In the 2024-25 school year, 536 students attended Centennial Middle School.

Students who attend Centennial Middle School usually go on to attend West Valley High School

Students at Centennial Middle School are 73% White, 13% Hispanic, 7% Two or more races, 3% African American, 2% Asian, 1% Pacific Islander.

Centennial Middle School ranks 321st of 514 Washington middle schools. SchoolDigger rates this school 2 stars out of 5.

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Latest Washington data All new data »
2025–26 SBAC & WCAS test scoresSep 10, 2026
2024–25 dropout rates & graduation ratesJan 8, 2026
2022–23 through 2023–24 school spending dataJan 6, 2026
2024–25 SBAC & WCAS test scoresSep 10, 2025


SchoolDigger data sources: National Center for Education Statistics, U.S. Department of Education, the U.S. Census Bureau, the Washington State Department of Health and the Washington Office of Superindentent of Public Instruction.

IMPORTANT DISCLAIMERS: Not all boundaries are included. We make every effort to ensure that boundaries are up-to-date. But it's important to note that these are approximations and are for general informational purposes only. To verify legal descriptions of boundaries or school locations, contact your local tax assessor's office and/or school district.

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