Top 100 largest schools in Montana (2025)

Schools with the highest enrollment. Ordered by the measure shown, with the Success Index (US) for context; 100 schools shown.

#	School	Sector	Enrollment	Success Index (US)	Key result	Students
1	Billings West High School Billings · High · Grades 9–12	Public	2,115	55.3 Top 50%	40% Math proficiency	2,115
2	Billings Sr High School Billings · High · Grades 9–12	Public	1,629	36.6 Lower 50%	29% Math proficiency	1,629
3	Great Falls High School Great Falls · High · Grades 9–12	Public	1,548	36.5 Lower 50%	29% Math proficiency	1,548
4	Skyview High School Billings · High · Grades 9–12	Public	1,542	38.1 Lower 50%	30% Math proficiency	1,542
5	Flathead High School Kalispell · High · Grades 9–12	Public	1,541	31.4 Lower 50%	32% Math proficiency	1,541
6	Gallatin High School Bozeman · High · Grades 9–12	Public	1,442	73.6 Top 25%	18.4% Free/reduced-price lunch	1,442
7	C M Russell High School Great Falls · High · Grades 9–12	Public	1,412	48.0 Lower 50%	38% Math proficiency	1,412
8	Glacier High School Kalispell · High · Grades 9–12	Public	1,402	38.9 Lower 50%	38% Math proficiency	1,402
9	Sentinel High School Missoula · High · Grades 9–12	Public	1,365	59.4 Top 50%	40% Math proficiency	1,365
10	Capital High School Helena · High · Grades 9–12	Public	1,293	56.2 Top 50%	38% Math proficiency	1,293
11	Bozeman High School Bozeman · High · Grades 9–12	Public	1,279	71.0 Top 25%	53% Math proficiency	1,279
12	Butte High School Butte · High · Grades 9–12	Public	1,266	29.5 Lower 50%	31% Math proficiency	1,266
13	Hellgate High School Missoula · High · Grades 9–12	Public	1,262	57.1 Top 50%	42% Math proficiency	1,262
14	Big Sky High School Missoula · High · Grades 9–12	Public	1,148	44.9 Lower 50%	32% Math proficiency	1,148
15	Kalispell Middle School Kalispell · Middle · Grades 6–8	Public	1,049	54.0 Top 50%	54% Math proficiency	1,049
16	Helena High School Helena · High · Grades 9–12	Public	979	59.7 Top 50%	42% Math proficiency	979
17	Belgrade Middle School Belgrade · Middle · Grades 5–8	Public	978	56.0 Top 50%	45% Math proficiency	978
18	C R Anderson Middle Schl Helena · Middle · Grades 6–8	Public	962	65.0 Top 50%	49% Math proficiency	962
19	Belgrade High School Belgrade · High · Grades 9–12	Public	958	54.7 Top 50%	40% Math proficiency	958
20	Sacajawea Middle School Bozeman · Middle · Grades 6–8	Public	807	74.0 Top 25%	55% Math proficiency	807
21	East Middle School Great Falls · Middle · Grades 7–8	Public	764	45.0 Lower 50%	35% Math proficiency	764
22	North Middle School Great Falls · Middle · Grades 7–8	Public	764	58.0 Top 50%	45% Math proficiency	764
23	Chief Joseph Middle School Bozeman · Middle · Grades 6–8	Public	751	73.5 Top 25%	53% Math proficiency	751
24	Lewis & Clark Middle School Billings · Middle · Grades 6–8	Public	741	36.0 Lower 50%	34% Math proficiency	741
25	Ben Steele Middle School Billings · Middle · Grades 6–8	Public	740	55.9 Top 50%	43% Math proficiency	740
26	Helena Middle School Helena · Middle · Grades 6–8	Public	701	56.9 Top 50%	46% Math proficiency	701
27	Meadowlark School Billings · Elementary · Grades PK–5	Public	691	70.6 Top 25%	70% Math proficiency	691
28	Castle Rock Middle School Billings · Middle · Grades 6–8	Public	691	46.5 Lower 50%	39% Math proficiency	691
29	Columbia Falls High Schl Columbia Falls · High · Grades 9–12	Public	691	26.4 Lower 50%	27% Math proficiency	691
30	Washington Middle School Missoula · Middle · Grades 6–8	Public	669	69.9 Top 25%	56% Math proficiency	669
31	East Middle School Butte · Middle · Grades 7–8	Public	664	36.8 Lower 50%	34% Math proficiency	664
32	L A Muldown School Whitefish · Elementary · Grades PK–4	Public	661	73.5 Top 25%	64% Math proficiency	661
33	Whitefish Middle 5-8 Whitefish · Middle · Grades 5–8	Public	657	71.9 Top 25%	49% Math proficiency	657
34	Will James Middle School Billings · Middle · Grades 6–8	Public	634	50.5 Top 50%	43% Math proficiency	634
35	Browning High School Browning · High · Grades 9–12	Public	633	6.4 Lower 50%	2.5% Math proficiency	633
36	Whitefish High School Whitefish · High · Grades 9–12	Public	618	68.5 Top 25%	52% Math proficiency	618
37	Libby Elementary School Libby · Elementary · Grades PK–6	Public	582	58.9 Top 50%	58% Math proficiency	582
38	Porter Middle School Missoula · Middle · Grades 6–8	Public	579	51.5 Top 50%	39% Math proficiency	579
39	Laurel High School Laurel · High · Grades 9–12	Public	578	34.1 Lower 50%	22% Math proficiency	578
40	East Helena High School East Helena · High · Grades 9–12	Public	563	50.8 Top 50%	33.9% Free/reduced-price lunch	563
41	Lockwood High School Lockwood · High · Grades 9–12	Public	552	20.9 Lower 50%	98.2% Free/reduced-price lunch	552
42	Columbia Falls Jr HS Columbia Falls · Middle · Grades 6–8	Public	547	48.9 Lower 50%	46% Math proficiency	547
43	Daly School Hamilton · Elementary · Grades K–4	Public	539	38.2 Lower 50%	41% Math proficiency	539
44	Emily Dickinson School Bozeman · Elementary · Grades PK–5	Public	531	76.8 Top 25%	68% Math proficiency	531
45	Meadow Lark School Great Falls · Elementary · Grades PK–6	Public	527	79.7 Top 25%	76% Math proficiency	527
46	Hyalite Elementary Bozeman · Elementary · Grades PK–5	Public	521	66.4 Top 50%	61% Math proficiency	521
47	Havre High School Havre · High · Grades 9–12	Public	521	35.9 Lower 50%	37% Math proficiency	521
48	Stevensville K-6 Stevensville · Elementary · Grades PK–6	Public	518	46.2 Lower 50%	43% Math proficiency	518
49	Medicine Crow Middle School Billings · Middle · Grades 6–8	Public	517	35.5 Lower 50%	31% Math proficiency	517
50	Hellgate El Intermediate Missoula · Middle · Grades 4–6	Public	517	63.7 Top 50%	55% Math proficiency	517
51	Polson High School Polson · High · Grades 9–12	Public	517	43.4 Lower 50%	32% Math proficiency	517
52	Hardin High School Hardin · High · Grades 9–12	Public	515	12.3 Lower 50%	12% Math proficiency	515
53	Edgerton School Kalispell · Elementary · Grades PK–5	Public	509	48.8 Lower 50%	58% Math proficiency	509
54	Laurel Middle School Laurel · Middle · Grades 5–8	Public	506	34.7 Lower 50%	28% Math proficiency	506
55	West Elementary School Butte · Elementary · Grades PK–6	Public	503	35.1 Lower 50%	41% Math proficiency	503
56	Parkview School Dillon · Elementary · Grades PK–5	Public	497	64.5 Top 50%	56% Math proficiency	497
57	Boulder School Billings · Elementary · Grades PK–5	Public	495	65.6 Top 50%	63% Math proficiency	495
58	Meadowlark Elementary Bozeman · Elementary · Grades PK–5	Public	492	71.7 Top 25%	65% Math proficiency	492
59	Ruder Elementary Columbia Falls · Elementary · Grades PK–5	Public	487	50.6 Top 50%	56% Math proficiency	487
60	Custer Co District High Miles City · High · Grades 9–12	Public	487	46.7 Lower 50%	32% Math proficiency	487
61	Four Georgians School Helena · Elementary · Grades PK–5	Public	482	61.7 Top 50%	53% Math proficiency	482
62	Morning Star School Bozeman · Elementary · Grades PK–5	Public	482	87.6 Top 5%	84% Math proficiency	482
63	Polson Middle School Polson · Middle · Grades 5–8	Public	477	49.1 Lower 50%	39% Math proficiency	477
64	Jim Darcy School Helena · Elementary · Grades PK–5	Public	473	57.1 Top 50%	46% Math proficiency	473
65	East Valley Middle School East Helena · Middle · Grades 6–8	Public	471	51.8 Top 50%	44% Math proficiency	471
66	Glacier Gateway Elem Columbia Falls · Elementary · Grades PK–5	Public	471	31.0 Lower 50%	35% Math proficiency	471
67	Elder Grove School Billings · Elementary · Grades PK–5	Public	465	51.7 Top 50%	37% Math proficiency	465
68	Quentin Brown Primary K-4 Corvallis · Elementary · Grades PK–4	Public	464	53.1 Top 50%	52% Math proficiency	464
69	Hamilton Middle School Hamilton · Middle · Grades 5–8	Public	460	46.3 Lower 50%	37% Math proficiency	460
70	Hamilton High School Hamilton · High · Grades 9–12	Public	460	52.4 Top 50%	42% Math proficiency	460
71	Jeannette Rankin El Missoula · Elementary · Grades PK–5	Public	457	74.7 Top 25%	71% Math proficiency	457
72	Riverview School Great Falls · Elementary · Grades PK–6	Public	445	64.8 Top 50%	62% Math proficiency	445
73	Eagle Cliffs Elementary Billings · Elementary · Grades PK–5	Public	443	46.1 Lower 50%	41% Math proficiency	443
74	Ridge View Elementary Belgrade · Elementary · Grades PK–4	Public	438	80.5 Top 10%	67% Math proficiency	438
75	Story Creek Elem Belgrade · Elementary · Grades PK–4	Public	437	63.4 Top 50%	35% Free/reduced-price lunch	437
76	Riverside Middle School Billings · Middle · Grades 6–8	Public	436	27.0 Lower 50%	19% Math proficiency	436
77	Arrowhead School Billings · Elementary · Grades PK–5	Public	434	70.5 Top 25%	63% Math proficiency	434
78	West Valley School Kalispell · Elementary · Grades PK–4	Public	434	63.7 Top 50%	57% Math proficiency	434
79	Ronan Middle School Ronan · Middle · Grades 5–8	Public	432	24.1 Lower 50%	27% Math proficiency	432
80	Giant Springs Elementary Great Falls · Elementary · Grades PK–6	Public	431	30.9 Lower 50%	29% Math proficiency	431
81	Lewis & Clark School Missoula · Elementary · Grades PK–5	Public	429	68.5 Top 25%	53% Math proficiency	429
82	Radley Elementary School East Helena · Elementary · Grades 3–5	Public	428	45.6 Lower 50%	45% Math proficiency	428
83	Cecelia Hazelton School Townsend · Elementary · Grades PK–6	Public	423	56.5 Top 50%	52% Math proficiency	423
84	West Elementary Great Falls · Elementary · Grades PK–6	Public	421	31.9 Lower 50%	27% Math proficiency	421
85	Park High School Livingston · High · Grades 9–12	Public	420	51.6 Top 50%	37% Math proficiency	420
86	Hawthorne School Missoula · Elementary · Grades PK–5	Public	417	72.1 Top 25%	72% Math proficiency	417
87	Saddle Peak Elementary Belgrade · Elementary · Grades PK–4	Public	416	57.1 Top 50%	52% Math proficiency	416
88	Frenchtown Elementary School Frenchtown · Elementary · Grades PK–3	Public	415	55.7 Top 50%	47% Math proficiency	415
89	Jeannette Rankin Elementary Sc Kalispell · Elementary · Grades PK–5	Public	415	36.9 Lower 50%	42% Math proficiency	415
90	Paxson School Missoula · Elementary · Grades PK–5	Public	415	66.8 Top 50%	59% Math proficiency	415
91	Chief Charlo School Missoula · Elementary · Grades PK–5	Public	414	57.2 Top 50%	47% Math proficiency	414
92	Meadow Hill Middle School Missoula · Middle · Grades 6–8	Public	414	59.8 Top 50%	45% Math proficiency	414
93	Hillcrest School Butte · Elementary · Grades PK–6	Public	412	66.6 Top 50%	59% Math proficiency	412
94	Huntley Project Elem K-6 Worden · Elementary · Grades PK–6	Public	410	44.0 Lower 50%	40% Math proficiency	410
95	Target Range School Missoula · Elementary · Grades PK–6	Public	410	62.7 Top 50%	51% Math proficiency	410
96	Corvallis High School Corvallis · High · Grades 9–12	Public	406	44.8 Lower 50%	32% Math proficiency	406
97	Sacajawea School Great Falls · Elementary · Grades PK–6	Public	405	61.8 Top 50%	56% Math proficiency	405
98	Broadwater School Billings · Elementary · Grades PK–5	Public	400	33.6 Lower 50%	37% Math proficiency	400
99	Sunnyside School Great Falls · Elementary · Grades PK–6	Public	396	45.4 Lower 50%	51% Math proficiency	396
100	Sandstone School Billings · Elementary · Grades PK–5	Public	393	47.6 Lower 50%	52% Math proficiency	393

Billings West High School in Billings leads the 2025 list of largest schools in Montana with Enrollment 2,115. Of the 100 schools shown, 100 are public.

Use the rankings to build a shortlist, then visit the schools and ask how they support students at your child's level.

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Frequently asked questions

What is the best largest school in Montana?

Billings West High School in Billings ranks first among largest schools in Montana with Enrollment 2,115 (Enrollment: 2,115).

How are largest schools in Montana ranked?

Schools with the highest enrollment. Only schools eligible for the Success Index (US) are included; the index is shown alongside for context.

Are these 2025 rankings official?

No. They are computed by Success Tutoring from official American data (Urban Institute Education Data Portal (NCES CCD, EDFacts); NCES Common Core of Data). States set their own assessments and proficiency cut scores, so proficiency rates are most comparable within a state. Use the state rankings for like-for-like comparisons.