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Thunder Mountain Middle School

Q: Is Thunder Mountain Middle School a good school?

Thunder Mountain Middle School ranks 127 th of 514 Washington middle schools. SchoolDigger rates this school 4 stars out of 5.

Public Grades 6-8

127^th

SchoolDigger Rank ?

of 514 Washington Middle Schools

Better than 75% of Washington middle schools

Summary

Thunder Mountain Middle School is a public school in the Enumclaw, Washington, area serving grades 6–8, with 506 students in the Enumclaw School District. Its 2025–2026 results are above Washington’s middle-school averages in every reported subject: 56.73% of students are proficient in English language arts, 49.32% in math, and 60.98% in science. The school ranks 127th of 514 Washington middle schools, placing it in the 75th percentile with a four-star rating.

Science is Thunder Mountain’s clearest strength, with proficiency more than 10 points above the state rate and more than 7 points above the district rate. Math is also 6.21 points above the state average. The school has made a strong recovery since 2023–2024, gaining 6.29 points in ELA, 13.99 points in math, and 16.54 points in science. Compared with nearby Glacier Middle School, Thunder Mountain trails slightly in ELA but leads by 2.82 points in math and 7.26 points in science. Results are also very similar to those at Enumclaw Middle School, with neither school holding a decisive overall advantage.

Grade-level results point to both strengths and priorities. Seventh grade is strongest in ELA and math, while sixth-grade math and eighth-grade ELA are weaker; eighth-grade ELA is below both the district and state rates. Thunder Mountain trails higher-performing nearby schools such as Lakeridge Middle School, Summit Trail Middle School, and North Tapps Middle School, but it substantially outperforms nearby Auburn-area schools including Rainier Middle School and Olympic Middle School. Overall, it is a solid, improving upper-quartile school with especially strong science performance and favorable subgroup effectiveness rankings.

506

Students ?

23.1

Student/teacher ratio ?

$15,933

Per pupil spending ?

29.6%

Free/discounted lunch ?

42018 264th Avenue SE
Enumclaw, WA 98022

(360) 272-8403

District: Enumclaw School District

Students who attend Thunder Mountain Middle School usually attend:

High:

Enumclaw Senior High School

Feeder schools for Thunder Mountain Middle School:

Elementary:	Black Diamond Elementary
	Byron Kibler Elementary School
	Westwood Elementary School

Racial breakdown:

White:

68.2%

Hispanic:

18.6%

Asian:

6.5%

See top rated Washington middle schools

Compare Thunder Mountain Middle School to nearby middle schools!

At a glance

▲ Ranking trend: Improving — 66th percentile in 2016 → 75th in 2026

Strengths

✓Test scores above the Washington average (54% vs 48% meeting standards)

✓Ranks in the top 25% of Washington middle schools

✓Ranking is trending up — up 9 percentile points since 2016

Worth a look

!Large classes — about 23 students per teacher

Students meeting standards (2025-2026) ?

This school54%

District avg53%

Washington avg48%

127^th of 514

Washington public middle schools ?

Top 25%▲ up 10 pts since 2016

From top 34% (2016) to top 25% (2026)

See the entire ranking list of Washington Middle Schools →

★★★★★

SchoolDigger rating ?

1^st of 2Middle Schools in the Enumclaw School District

54^th of 238Enumclaw School District 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

Year	Avg score	Statewide rank	Washington percentile	Rating
2026	72.7	127 of 514	75.3%	★★★★☆
2025	72.0	124 of 534	76.8%	★★★★☆
2024	49.6	249 of 535	53.5%	★★★☆☆
2023	60.2	184 of 539	65.9%	★★★☆☆
2022	59.9	180 of 541	66.7%	★★★☆☆
2021	52.8	224 of 529	57.7%	★★★☆☆
2019	69.6	131 of 512	74.4%	★★★★☆
2018	58.3	174 of 437	60.2%	★★★☆☆
2017	59.4	174 of 435	60.0%	★★★☆☆
2016	64.0	152 of 443	65.7%	★★★☆☆
2015	69.0	123 of 445	72.4%	★★★★☆
2013	63.4	177 of 498	64.5%	★★★☆☆
2012	55.0	216 of 497	56.5%	★★★☆☆
2011	52.6	229 of 492	53.5%	★★★☆☆
2010	52.1	230 of 483	52.4%	★★★☆☆
2009	49.6	248 of 476	47.9%	★★☆☆☆
2008	45.6	257 of 466	44.8%	★★☆☆☆
2007	53.1	209 of 463	54.9%	★★★☆☆
2006	49.7	219 of 449	51.2%	★★★☆☆
2005	49.2	233 of 425	45.2%	★★☆☆☆
2004	41.2	264 of 421	37.3%	★★☆☆☆

Female

Year	Avg score	Statewide rank	Washington percentile	Rating
2026	78.2	94 of 443	78.8%	★★★★☆
2025	72.8	111 of 471	76.4%	★★★★☆
2024	49.8	217 of 464	53.2%	★★★☆☆
2023	60.3	164 of 464	64.7%	★★★☆☆
2022	63.2	148 of 479	69.1%	★★★☆☆
2021	58.2	180 of 469	61.6%	★★★☆☆
2019	71.2	112 of 452	75.2%	★★★★☆
2018	44.0	209 of 376	44.4%	★★☆☆☆

Hispanic

Year	Avg score	Statewide rank	Washington percentile	Rating
2026	69.8	83 of 347	76.1%	★★★★☆
2025	65.9	94 of 347	72.9%	★★★★☆
2024	53.1	142 of 344	58.7%	★★★☆☆
2023	53.4	132 of 336	60.7%	★★★☆☆
2022	46.8	169 of 360	53.1%	★★★☆☆
2021	45.3	169 of 353	52.1%	★★★☆☆
2019	40.7	201 of 344	41.6%	★★☆☆☆
2018	44.6	144 of 259	44.4%	★★☆☆☆

Low Socio Economic Status

Year	Avg score	Statewide rank	Washington percentile	Rating
2026	70.0	105 of 453	76.8%	★★★★☆
2025	69.6	96 of 457	79.0%	★★★★☆
2024	41.1	260 of 455	42.9%	★★☆☆☆
2023	53.1	192 of 463	58.5%	★★★☆☆
2022	56.2	155 of 475	67.4%	★★★☆☆
2021	52.3	188 of 458	59.0%	★★★☆☆
2019	35.8	302 of 448	32.6%	★★☆☆☆
2018	44.6	186 of 349	46.7%	★★☆☆☆

Male

Year	Avg score	Statewide rank	Washington percentile	Rating
2026	65.3	132 of 454	70.9%	★★★★☆
2025	69.5	125 of 472	73.5%	★★★★☆
2024	48.9	220 of 466	52.8%	★★★☆☆
2023	58.0	174 of 470	63.0%	★★★☆☆
2022	55.2	180 of 480	62.5%	★★★☆☆
2021	48.3	221 of 476	53.6%	★★★☆☆
2019	67.3	127 of 453	72.0%	★★★★☆
2018	63.9	118 of 371	68.2%	★★★☆☆

Multi-racial

Year	Avg score	Statewide rank	Washington percentile	Rating
2022	57.0	95 of 257	63.0%	★★★☆☆

Special Education

Year	Avg score	Statewide rank	Washington percentile	Rating
2026	78.1	30 of 226	86.7%	★★★★☆
2023	43.9	85 of 167	49.1%	★★★☆☆
2022	38.2	106 of 199	46.7%	★★☆☆☆
2021	45.2	93 of 210	55.7%	★★★☆☆
2019	32.4	154 of 231	33.3%	★★☆☆☆
2018	34.6	165 of 268	38.4%	★★☆☆☆

White

Year	Avg score	Statewide rank	Washington percentile	Rating
2026	68.3	132 of 453	70.9%	★★★★☆
2025	66.0	147 of 488	69.9%	★★★★☆
2024	44.5	274 of 486	43.6%	★★☆☆☆
2023	55.0	196 of 488	59.8%	★★★☆☆
2022	58.6	174 of 488	64.3%	★★★☆☆
2021	48.5	237 of 480	50.6%	★★★☆☆
2019	71.0	117 of 470	75.1%	★★★★☆
2018	50.0	154 of 325	52.6%	★★★☆☆

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)

Special Education (2026)87th percentile+11 vs school

Female (2026)79th percentile+3 vs school

Low Socio Economic Status (2026)77th percentile~ school

Hispanic (2026)76th percentile~ school

Male (2026)71st percentile-4 vs school

White (2026)71st percentile-4 vs school

Multi-racial (2022)63rd percentile-4 vs school

By subject vs Washington (2025-2026) ?

Science61%+10 vs state

English Language Arts57%+4 vs state

Math49%+6 vs state

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Schools Near Thunder Mountain Middle School

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Ranking:

E Elementary M Middle H High A Alternative P Private

Choose columns to see: Summary School Students/Teachers Ranking Test Scores Finance All

School													Students/Teachers											Ranking (2026)				Ranking (2025)				WCAS Science (2026)			SBAC English Language Arts (2026)				SBAC Math (2026)				Per Pupil Expenditures (2024)
Name	Type	Grades	Address	City	Zip	County	District	Is Charter	Is Magnet	Is Virtual	Is Title I	Phone	Enrollment	Full-time Teachers	Student/ Teacher Ratio	Free/Discounted Lunch Recipients (2025)	White	Black	Hispanic	Asian	American Indian	Pacific Islander	Two or More Races	Average Standard Score (2026)	Statewide Rank (2026)	State Percentile (2026)	SchoolDigger Rating (2026)	Average Standard Score (2025)	Statewide Rank (2025)	State Percentile (2025)	Rank Change from Previous Year	WCAS Science 5th Grade	WCAS Science 8th Grade	WCAS Science All Grades	SBAC English Language Arts 6th Grade	SBAC English Language Arts 7th Grade	SBAC English Language Arts 8th Grade	SBAC English Language Arts All Grades	SBAC Math 6th Grade	SBAC Math 7th Grade	SBAC Math 8th Grade	SBAC Math All Grades	Per Pupil Expenditures Total	Sub-total from Federal Funds	Sub-total from State/Local Funds
Thunder Mountain Middle School	Public	6-8	42018 264th Avenue SE	Enumclaw	98022	King County	Enumclaw School District	No	No	No	No	(360) 272-8403	506	22	23.1	29.6%	345 (68.2%)	4 (0.8%)	94 (18.6%)	33 (6.5%)	6 (1.2%)	1 (0.2%)	23 (4.5%)	72.7	127^th of 514 public middle schools	75.3%		72	124^th of 534 public middle schools	76.8%	3		61.0	61.0	55.8	64.9	49.4	56.7	42.9	58.6	46.7	49.3	$15,933	$174	$15,759
Enumclaw Middle School	Public	6-8	550 Semanski Street	Enumclaw	98022	King County	Enumclaw School District	No	No	No	No	(360) 802-7150	522	24	21.3	38.1%	399 (76.4%)	8 (1.5%)	83 (15.9%)	0 (0.0%)	6 (1.1%)	2 (0.4%)	24 (4.6%)	70.4	138^th of 514 public middle schools	73.2%		68.9	142^nd of 534 public middle schools	73.4%	4		62.3	62.3	46.4	59.9	59.7	55.3	38.9	50.6	53.5	47.7	$15,295	$170	$15,125
Glacier Middle School	Public	6-8	240 North C St	Buckley	98321	Pierce County	White River School District	No	No	No	Yes	(360) 829-3395	999	49	20.5	36.9%	726 (72.7%)	19 (1.9%)	160 (16.0%)	13 (1.3%)	10 (1.0%)	2 (0.2%)	69 (6.9%)	70.5	136^th of 514 public middle schools	73.5%		68.7	143^rd of 534 public middle schools	73.2%	7		53.9	53.7	53.6	58.8	63.6	58.6	41.1	52.1	46.1	46.5	$14,481	$525	$13,956
North Tapps Middle School	Public	6-8	20029 12th Street E.	Lake Tapps	98391	Pierce County	Dieringer School District	No	No	No	No	(253) 862-2776	523	25	20.5	22.0%	344 (65.8%)	19 (3.6%)	55 (10.5%)	53 (10.1%)	3 (0.6%)	11 (2.1%)	38 (7.3%)	88.6	54^th of 514 public middle schools	89.5%		88.7	57^th of 534 public middle schools	89.3%	3		68.6	68.6	63.5	78.9	69.2	70.5	53.6	57.1	59.3	56.6	$19,865	$614	$19,251
Mountain View Middle School	Public	6-8	10921 199th Ave Ct E	Bonney Lake	98390	Pierce County	Sumner-Bonney Lake School District	No	No	No	No	(253) 891-5200	937	45	20.6	29.5%	576 (61.5%)	26 (2.8%)	168 (17.9%)	54 (5.8%)	1 (0.1%)	7 (0.7%)	105 (11.2%)	86.4	67^th of 514 public middle schools	87.0%		78.2	100^th of 534 public middle schools	81.3%	33		68.5	68.5	72.5	69.9	67.0	69.9	57.1	53.8	49.5	53.5	$16,856	$333	$16,523
Lakeridge Middle School	Public	6-8	5909 Myers RD E	Bonney Lake	98391	Pierce County	Sumner-Bonney Lake School District	No	No	No	Yes	(253) 891-5100	763	37	20.4	37.7%	493 (64.6%)	22 (2.9%)	110 (14.4%)	35 (4.6%)	4 (0.5%)	3 (0.4%)	95 (12.5%)	88.6	52^nd of 514 public middle schools	89.9%		85.1	68^th of 534 public middle schools	87.3%	16		65.4	65.4	73.1	62.8	82.1	72.4	53.6	60.0	61.3	58.3	$16,122	$418	$15,704
Cedar Heights Middle School	Public	6-8	19640 SE 272nd Street	Covington	98042	King County	Kent School District	No	No	No	No	(253) 373-7620	876	43	20.2	50.6%	379 (43.3%)	103 (11.8%)	168 (19.2%)	110 (12.6%)	8 (0.9%)	18 (2.1%)	90 (10.3%)	32.1	342^nd of 514 public middle schools	33.5%		33.6	350^th of 534 public middle schools	34.5%	8		39.4	39.4	37.3	49.8	39.9	42.4	30.4	29.0	20.0	26.5	$18,268	$650	$17,619
Summit Trail Middle School	Public	6-8	25600 SE Summit Landsburg Rd	Ravensdale	98051	King County	Tahoma School District	No	No	No	No	(425) 413-5600	1,097	52	21.2	14.9%	689 (62.8%)	30 (2.7%)	108 (9.8%)	170 (15.5%)	1 (0.1%)	1 (0.1%)	98 (8.9%)	92	41^st of 514 public middle schools	92.0%		92.2	42^nd of 534 public middle schools	92.1%	1		76.4	76.4	64.9	69.1	78.1	70.6	57.1	62.5	71.6	63.6	$15,729	$267	$15,462
Mt Baker Middle School	Public	6-8	620 37th St SE	Auburn	98002	King County	Auburn School District	No	No	No	Yes	(253) 804-4555	917	49	18.5	54.9%	256 (27.9%)	72 (7.9%)	332 (36.2%)	130 (14.2%)	5 (0.5%)	33 (3.6%)	89 (9.7%)	38.7	302^nd of 514 public middle schools	41.2%		36.9	328^th of 534 public middle schools	38.6%	26		41.5	41.5	42.5	54.9	41.0	46.0	28.4	35.8	23.4	29.0	$17,563	$601	$16,962
Rainier Middle School	Public	6-8	30620 116th Ave SE	Auburn	98092	King County	Auburn School District	No	No	No	Yes	(253) 931-4843	907	52	17.4	60.6%	277 (30.5%)	94 (10.4%)	200 (22.1%)	223 (24.6%)	2 (0.2%)	28 (3.1%)	83 (9.2%)	24	393^rd of 514 public middle schools	23.5%		23.7	422^nd of 534 public middle schools	21.0%	29		31.2	31.2	35.9	36.8	37.9	36.9	25.4	26.0	25.1	25.5	$17,157	$640	$16,517

Frequently Asked Questions about Thunder Mountain Middle School

What is the racial makeup of Thunder Mountain Middle School?

Students at Thunder Mountain Middle School are 68% White, 19% Hispanic, 7% Asian, 5% Two or more races, 1% American Indian.

How many students attend Thunder Mountain Middle School?

In the 2024-25 school year, 506 students attended Thunder Mountain Middle School.

Is Thunder Mountain Middle School a good school?

Thunder Mountain Middle School ranks 127^th of 514 Washington middle schools. SchoolDigger rates this school 4 stars out of 5.

What district is Thunder Mountain Middle School in?

Enumclaw School District

What high school do graduates of Thunder Mountain Middle School attend?

Students who attend Thunder Mountain Middle School usually go on to attend Enumclaw Senior High School

Rate Thunder Mountain Middle School!

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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.