Best Student-Teacher Ratios in Idaho

The schools in Idaho with the lowest student-teacher ratios offer smaller class sizes, which research links to better academic outcomes, according to the National Center for Education Statistics (NCES). The top-ranked school, Swan Falls High School, has a ratio of just 5:1.

The Idaho state average is 17.3:1, compared to the national average of 15.7:1. Schools with enrollment under 100 are excluded to ensure meaningful comparisons.

5:1
Best Ratio
Swan Falls High School
17.3:1
State Average
15.7:1
National Average
50
Schools Listed
# School Student:Teacher Enrollment
1. Swan Falls High School MERIDIAN 5:1
-71% vs state
225
2. Idaho School for the Deaf and the Blind GOODING 5.9:1
-66% vs state
111
3. Snake River Opportunities High School BLACKFOOT 6.1:1
-65% vs state
150
4. Idaho Connects Online School NAMPA 7:1
-60% vs state
165
5. Cascade Jr/Sr High School CASCADE 7.3:1
-58% vs state
112
6. Presidio High School Payette 8:1
-54% vs state
103
7. Crossroads Middle School MERIDIAN 8.4:1
-51% vs state
124
8. Lakeside High School PLUMMER 8.7:1
-50% vs state
125
9. Frank Church High School BOISE 9.1:1
-47% vs state
381
10. Venture High School COEUR D'ALENE 9.1:1
-47% vs state
292
11. Groveland Elementary School BLACKFOOT 9.1:1
-47% vs state
220
12. Leadore School LEADORE 9.1:1
-47% vs state
100
13. Technical Careers High School IDAHO FALLS 9.2:1
-47% vs state
118
14. Pathways Middle School MERIDIAN 9.6:1
-45% vs state
122
15. New Horizon High School POCATELLO 9.8:1
-43% vs state
119
16. Mt Harrison High School HEYBURN 9.9:1
-43% vs state
122
17. Independence Alternative High School BLACKFOOT 9.9:1
-43% vs state
102
18. Meadows Valley School NEW MEADOWS 10.1:1
-42% vs state
142
19. Rockland Public School ROCKLAND 10.4:1
-40% vs state
167
20. Bliss School BLISS 10.4:1
-40% vs state
110
21. Culdesac School CULDESAC 10.4:1
-40% vs state
100
22. Hailey Elementary School HAILEY 10.5:1
-39% vs state
291
23. Carey Public School CAREY 10.6:1
-39% vs state
272
24. Bellevue Elementary School BELLEVUE 10.6:1
-39% vs state
223
25. Nezperce School NEZPERCE 10.6:1
-39% vs state
174
26. Highland School CRAIGMONT 10.6:1
-39% vs state
168
27. Lakeside Elementary School PLUMMER 10.7:1
-38% vs state
146
28. Raft River Jr/Sr High School MALTA 10.9:1
-37% vs state
154
29. Timberline High School WEIPPE 10.9:1
-37% vs state
104
30. Vallivue Academy CALDWELL 11.1:1
-36% vs state
120
31. Wallace Jr/Sr High School WALLACE 11.3:1
-35% vs state
195
32. Notus Jr/Sr High School CALDWELL 11.3:1
-35% vs state
157
33. Midvale School MIDVALE 11.3:1
-35% vs state
137
34. Chief Tahgee Elementary Academy FORT HALL 11.3:1
-35% vs state
109
35. Idaho Connects Online Alternative School BOISE 11.4:1
-34% vs state
155
36. Glenns Ferry Elementary School GLENNS FERRY 11.5:1
-34% vs state
139
37. Deary School DEARY 11.6:1
-33% vs state
145
38. Challis Jr/Sr High School CHALLIS 11.6:1
-33% vs state
136
39. Central Academy High School MERIDIAN 11.6:1
-33% vs state
136
40. Syringa Mountain Charter School HAILEY 11.6:1
-33% vs state
128
41. Frontier Elementary School BOISE 11.7:1
-32% vs state
263
42. Oakley Jr/Sr High School OAKLEY 11.7:1
-32% vs state
179
43. Kamiah Middle School KAMIAH 11.7:1
-32% vs state
157
44. Richard Mckenna Charter School - Onsite MOUNTAIN HOME 11.8:1
-32% vs state
113
45. Magic Valley High School TWIN FALLS 11.9:1
-31% vs state
161
46. J Russell Elementary School MOSCOW 11.9:1
-31% vs state
143
47. Black Canyon Jr/Sr High School EMMETT 11.9:1
-31% vs state
142
48. Glenns Ferry High School GLENNS FERRY 11.9:1
-31% vs state
128
49. Camas County Elem/Jr High School FAIRFIELD 11.9:1
-31% vs state
105
50. Shoshone High School SHOSHONE 12:1
-31% vs state
143
Source: National Center for Education Statistics (NCES), Common Core of Data (CCD), 2022-23 school year. Schools with enrollment under 100 are excluded.
Largest Schools in Idaho → Highest-Spending Districts → Chronic Absenteeism →

Read our methodology — how this data is sourced, computed, and verified.