The average student:teacher ratio in Idaho public high schools is approximately 18:1 (2025).
Student:Teacher Ratio Range: 1:1
10:1
Avg. Student:Teacher Ratio: 6:1
Public High Schools Student:Teacher Ratio Statistics in Idaho (2025)
School
(Math and Reading Proficiency)
(Math and Reading Proficiency)
Student: Teacher Ratio
Grades
Location
Rank: #11.
Treasure Valley Math/science
Magnet School
Student : Teacher Ratio: 1:1
Grades: 4-12
6801 North Gary Lane
Garden City, ID 83714
(208) 854-6800
Garden City, ID 83714
(208) 854-6800
Rank: #2 - 72. - 7.
Ktec School
Vocational School
Student : Teacher Ratio: 2:1
Grades: 9-12
6838 West Lancaster Road
Rathdrum, ID 83858
(208) 712-4733
Rathdrum, ID 83858
(208) 712-4733
Rank: #2 - 72. - 7.
Pocatello Juvenile Detention
Alternative School
Student : Teacher Ratio: 2:1
Grades: 1-12
137 South 5th Street
Pocatello, ID 83205
(208) 234-1080
Pocatello, ID 83205
(208) 234-1080
Rank: #2 - 72. - 7.
Promise Academy
Alternative School
Charter School
Charter School
Student : Teacher Ratio: 2:1
Grades: 6-12
28371 El Paso Road
Caldwell, ID 83607
(208) 332-6800
Caldwell, ID 83607
(208) 332-6800
Rank: #2 - 72. - 7.
Region 2 Juvenile Detention Center
Alternative School
Student : Teacher Ratio: 2:1
Grades: 3-12
3317 12th Street
Lewiston, ID 83501
(208) 748-3000
Lewiston, ID 83501
(208) 748-3000
Rank: #2 - 72. - 7.
Salmon Alternative High School
Alternative School
Student : Teacher Ratio: 2:1
Grades: 9-12
1501 Bean Lane
Salmon, ID 83467
(208) 756-6277
Salmon, ID 83467
(208) 756-6277
Rank: #2 - 72. - 7.
Sandpoint Juvenile Detention
Alternative School
Student : Teacher Ratio: 2:1
Grades: 5-12
4105 North Boyer Avenue
Sandpoint, ID 83864
(208) 263-4213
Sandpoint, ID 83864
(208) 263-4213
Rank: #88.
Cda Juvenile Detention Center
Alternative School
Student : Teacher Ratio: 3:1
Grades: 4-12
210 East Dalton Avenue
Coeur D Alene, ID 83815
(208) 664-3024
Coeur D Alene, ID 83815
(208) 664-3024
Rank: #99.
3b Juvenile Detention Center
Alternative School
Student : Teacher Ratio: 4:1
Grades: 4-12
950 Environmental Way
Idaho Falls, ID 83401
(208) 542-2947
Idaho Falls, ID 83401
(208) 542-2947
Rank: #10 - 1210. - 12.
Midvale Alternative School
Alternative School
Student : Teacher Ratio: 5:1
Grades: 7-12
45 North School Road
Midvale, ID 83645
(208) 355-2347
Midvale, ID 83645
(208) 355-2347
Rank: #10 - 1210. - 12.
Snake River Juvenile Detention
Alternative School
Student : Teacher Ratio: 5:1
Grades: 1-12
2515 Wright Avenue
Twin Falls, ID 83301
(208) 736-2588
Twin Falls, ID 83301
(208) 736-2588
Rank: #10 - 1210. - 12.
Special Services Center
Special Education School
Student : Teacher Ratio: 5:1
Grades: PK-12
3549 North Ammon Road
Idaho Falls, ID 83401
(208) 525-4414
Idaho Falls, ID 83401
(208) 525-4414
Rank: #13 - 1413. - 14.
Idaho School For The Deaf And The Blind
Special Education School
Student : Teacher Ratio: 6:1
Grades: PK-12
1450 Main Street
Gooding, ID 83330
(208) 934-4457
Gooding, ID 83330
(208) 934-4457
Rank: #13 - 1413. - 14.
Mullan Schools
(Math: 20-29% | Reading: 50-59%)
Rank:
Rank:
4/
Bottom 50%10
Student : Teacher Ratio: 6:1
Grades: K-12
325 Park Avenue
Mullan, ID 83846
(208) 744-1126
Mullan, ID 83846
(208) 744-1126
Rank: #15 - 2015. - 20.
Clark County Jr/sr High School
(Math: ≤10% | Reading: 20-29%)
Rank:
Rank:
1/
Bottom 50%10
Student : Teacher Ratio: 7:1
Grades: 6-12
137 West 2nd South
Dubois, ID 83423
(208) 374-5215
Dubois, ID 83423
(208) 374-5215
Rank: #15 - 2015. - 20.
Cornerstone High School
Alternative School
(Math: <50% | Reading: <50%)
Rank:
Rank:
6/
Top 50%10
Student : Teacher Ratio: 7:1
Grades: 9-12
882 Valley Road South
Hazelton, ID 83335
(208) 829-5353
Hazelton, ID 83335
(208) 829-5353
Rank: #15 - 2015. - 20.
Heartland High School
Alternative School
Student : Teacher Ratio: 7:1
Grades: 9-12
124 Idaho Street
Mccall, ID 83638
(208) 634-3686
Mccall, ID 83638
(208) 634-3686
Rank: #15 - 2015. - 20.
Jerome Academy
Special Education School
Student : Teacher Ratio: 7:1
Grades: K-12
125 4th Avenue West
Jerome, ID 83338
(208) 324-2392
Jerome, ID 83338
(208) 324-2392
Rank: #15 - 2015. - 20.
New Horizon High School
Alternative School
(Math: ≤20% | Reading: ≤20%)
Rank:
Rank:
1/
Bottom 50%10
Student : Teacher Ratio: 7:1
Grades: 9-12
955 West Alameda
Pocatello, ID 83201
(208) 237-2233
Pocatello, ID 83201
(208) 237-2233
Rank: #15 - 2015. - 20.
North Gem High School
(Math: ≥50% | Reading: ≥50%)
Rank:
Rank:
6/
Top 50%10
Student : Teacher Ratio: 7:1
Grades: 7-12
360 South Main Street
Bancroft, ID 83217
(208) 648-7848
Bancroft, ID 83217
(208) 648-7848
Rank: #21 - 2321. - 23.
Cardinal Academy
Alternative School
Charter School
Charter School
Student : Teacher Ratio: 8:1
Grades: 9-12
9492 West Emerald Street
Boise, ID 83704
(208) 918-1693
Boise, ID 83704
(208) 918-1693
Rank: #21 - 2321. - 23.
Paradise Creek Regional High School
Alternative School
(Math: <50% | Reading: ≥50%)
Rank:
Rank:
6/
Top 50%10
Student : Teacher Ratio: 8:1
Grades: 8-12
1314 South Main
Moscow, ID 83843
(208) 882-3687
Moscow, ID 83843
(208) 882-3687
Rank: #21 - 2321. - 23.
Salmon River Jr/sr High School
(Math: 30-39% | Reading: 60-69%)
Rank:
Rank:
6/
Top 50%10
Student : Teacher Ratio: 8:1
Grades: 6-12
711 Ace's Place
Riggins, ID 83549
(208) 628-3431
Riggins, ID 83549
(208) 628-3431
Rank: #24 - 3024. - 30.
Ada County Juvenile Center
Alternative School
Student : Teacher Ratio: 9:1
Grades: 5-12
6300 Denton Street
Boise, ID 83704
(208) 854-4150
Boise, ID 83704
(208) 854-4150
Rank: #24 - 3024. - 30.
American Falls Academy
Alternative School
Student : Teacher Ratio: 9:1
Grades: 6-12
598 Lincoln
American Falls, ID 83211
(208) 226-5008
American Falls, ID 83211
(208) 226-5008
Rank: #24 - 3024. - 30.
Bliss School
(Math: 20-29% | Reading: 40-49%)
Rank:
Rank:
2/
Bottom 50%10
Student : Teacher Ratio: 9:1
Grades: PK-12
601 East Highway 30
Bliss, ID 83314
(208) 352-4445
Bliss, ID 83314
(208) 352-4445
Rank: #24 - 3024. - 30.
Cascade Jr/sr High School
(Math: 60-69% | Reading: 60-69%)
Rank:
Rank:
9/
Top 20%10
Student : Teacher Ratio: 9:1
Grades: 6-12
209 School Street
Cascade, ID 83611
(208) 382-4227
Cascade, ID 83611
(208) 382-4227
Rank: #24 - 3024. - 30.
Frank Church High School
Alternative School
(Math: ≤5% | Reading: 15-19%)
Rank:
Rank:
1/
Bottom 50%10
Student : Teacher Ratio: 9:1
Grades: 7-12
8051 West Salt Creek Court
Boise, ID 83709
(208) 854-5650
Boise, ID 83709
(208) 854-5650
Rank: #24 - 3024. - 30.
Horseshoe Bend Middle/sr High School
(Math: 40-44% | Reading: 45-49%)
Rank:
Rank:
5/
Bottom 50%10
Student : Teacher Ratio: 9:1
Grades: 6-12
398 School Drive
Horseshoe Bend, ID 83629
(208) 793-2225
Horseshoe Bend, ID 83629
(208) 793-2225
Rank: #24 - 3024. - 30.
Technical Careers High School
Vocational School
(Math: ≤20% | Reading: ≤20%)
Rank:
Rank:
1/
Bottom 50%10
Student : Teacher Ratio: 9:1
Grades: 9-12
3497 North Ammon Road
Idaho Falls, ID 83401
(208) 525-4433
Idaho Falls, ID 83401
(208) 525-4433
Rank: #31 - 4831. - 48.
Cambridge Middle/high School
(Math: 20-29% | Reading: 40-49%)
Rank:
Rank:
2/
Bottom 50%10
Student : Teacher Ratio: 10:1
Grades: 6-12
40 North 4th Street
Cambridge, ID 83610
(208) 257-3311
Cambridge, ID 83610
(208) 257-3311
Rank: #31 - 4831. - 48.
Carey Public School
(Math: 45-49% | Reading: 55-59%)
Rank:
Rank:
7/
Top 50%10
Student : Teacher Ratio: 10:1
Grades: PK-12
20 Panther Lane
Carey, ID 83320
(208) 823-4391
Carey, ID 83320
(208) 823-4391
Rank: #31 - 4831. - 48.
Cassia Jr/sr High School
Alternative School
(Math: ≤10% | Reading: ≤10%)
Rank:
Rank:
1/
Bottom 50%10
Student : Teacher Ratio: 10:1
Grades: 7-12
1010 West 17th Street
Burley, ID 83318
(208) 878-6630
Burley, ID 83318
(208) 878-6630
Rank: #31 - 4831. - 48.
Cossa Academy
Alternative School
(Math: ≤20% | Reading: ≤20%)
Rank:
Rank:
1/
Bottom 50%10
Student : Teacher Ratio: 10:1
Grades: 7-12
109 Penny Lane
Wilder, ID 83676
(208) 482-7904
Wilder, ID 83676
(208) 482-7904
Rank: #31 - 4831. - 48.
Culdesac School
(Math: 30-39% | Reading: 40-49%)
Rank:
Rank:
3/
Bottom 50%10
Student : Teacher Ratio: 10:1
Grades: PK-12
600 Culdesac Avenue
Culdesac, ID 83524
(208) 843-5413
Culdesac, ID 83524
(208) 843-5413
Show 100 more public schools in ID (out of 266 total schools)
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Frequently Asked Questions
What is the Idaho average public high schools student:teacher ratio?
The Idaho average public high schools student:teacher ratio is 18:1 for 2025.
What are the public high schools with the lowest student:teacher ratio in Idaho?
The best top ranked public high schools in Idaho include Treasure Valley Math/science, Ktec School and Pocatello Juvenile Detention.
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