For the 2026-27 school year, there are 16 public high schools serving 2,586 students in Mille Lacs County, MN.
The top-ranked public high schools in Mille Lacs County, MN are Princeton High School, Princeton Area Learning Center and Milaca Secondary High School. Overall testing rank is based on a school's combined math and reading proficiency test score ranking.
Mille Lacs County, MN public high schools have an average math proficiency score of 32% (versus the Minnesota public high school average of 36%), and reading proficiency score of 44% (versus the 51% statewide average). High schools in Mille Lacs County have an average ranking of 3/10, which is in the bottom 50% of Minnesota public high schools.
Mille Lacs County, MN public high school have a Graduation Rate of 87%, which is more than the Minnesota average of 83%.
The school with highest graduation rate is Princeton High School, with 94% graduation rate. Read more about public school graduation rate statistics in Minnesota or national school graduation rate statistics.
Minority enrollment is 22% of the student body (majority American Indian), which is less than the Minnesota public high school average of 38% (majority Hispanic and Black).
Best Public High Schools in Mille Lacs County (2026-27)
School
(Math and Reading Proficiency)
(Math and Reading Proficiency)
Location
Quick Facts
Rank: #11.
Princeton High School
(Math: 40-44% | Reading: 53%)
Rank:
Rank:
6/
Top 50%10
807 8th Ave S
Princeton, MN 55371
(763) 389-6001
Princeton, MN 55371
(763) 389-6001
Gr: 9-12 | 940 students Student-teacher ratio: 18:1 Minority enrollment: 10%
Rank: #22.
Princeton Area Learning Center
Alternative School
(Math: <50% | Reading: ≥50% )
Rank:
Rank:
5/
Bottom 50%10
1506 1st St
Princeton, MN 55371
(763) 389-6719
Princeton, MN 55371
(763) 389-6719
Gr: 9-12 | 24 students Minority enrollment: 17%
Rank: #33.
Milaca Secondary High School
(Math: 38% | Reading: 48%)
Rank:
Rank:
5/
Bottom 50%10
500 Highway 23 W
Milaca, MN 56353
(320) 982-7206
Milaca, MN 56353
(320) 982-7206
Gr: 7-12 | 730 students Student-teacher ratio: 17:1 Minority enrollment: 9%
Rank: #44.
Milaca Area Learning Center
Alternative School
(Math: <50% | Reading: <50% )
Rank:
Rank:
5/
Bottom 50%10
500 Highway 23 W
Milaca, MN 56353
(320) 982-7249
Milaca, MN 56353
(320) 982-7249
Gr: 7-12 | 16 students Student-teacher ratio: 8:1 Minority enrollment: 25%
Rank: #5 - 65. - 6.
Isle Secondary
(Math: 15-19% | Reading: 30-34%)
Rank:
Rank:
2/
Bottom 50%10
730 5th Ave S
Isle, MN 56342
(320) 676-3101
Isle, MN 56342
(320) 676-3101
Gr: 7-12 | 188 students Student-teacher ratio: 16:1 Minority enrollment: 22%
Rank: #5 - 65. - 6.
Onamia High School
(Math: 15-19% | Reading: 30-34%)
Rank:
Rank:
2/
Bottom 50%10
35465 125th Ave
Onamia, MN 56359
(320) 532-4174
Onamia, MN 56359
(320) 532-4174
Gr: 7-12 | 224 students Student-teacher ratio: 16:1 Minority enrollment: 65%
Rank: #77.
Rum River North
Special Education School
(Math: 11-19% | Reading: 21-39%)
Rank:
Rank:
2/
Bottom 50%10
303 3rd Ave Sw
Milaca, MN 56353
(763) 552-6801
Milaca, MN 56353
(763) 552-6801
Gr: PK-12 | 97 students Student-teacher ratio: 19:1 Minority enrollment: 22%
Rank: #88.
Onamia Academy
Alternative School
(Math: ≤20% | Reading: ≤20%)
Rank:
Rank:
1/
Bottom 50%10
407 130th Ave S
Onamia, MN 56359
(320) 532-6840
Onamia, MN 56359
(320) 532-6840
Gr: 4-12 | 36 students Student-teacher ratio: 36:1 Minority enrollment: 28%
Rank: n/an/a
Credit Recovery
Alternative School
1506 1st Street
Princeton, MN 55371
(763) 389-6719
Princeton, MN 55371
(763) 389-6719
Gr: 9-12 | 19 students Minority enrollment: 26%
Rank: n/an/a
Isle Area Learning Center
Alternative School
730 5th Ave S
Isle, MN 56342
(320) 676-3146
Isle, MN 56342
(320) 676-3146
Gr: 7-12 | 6 students Minority enrollment: 17%
Rank: n/an/a
Kokesh Area Learning Center
Alternative School
807 Main St
Onamia, MN 56359
(320) 532-4423
Onamia, MN 56359
(320) 532-4423
Gr: 9-12 | 28 students Student-teacher ratio: 5:1 Minority enrollment: 75%
Rank: n/an/a
M Health Fairview C&t
Alternative School
911 Northland Dr
Princeton, MN 55371
(612) 313-8871
Princeton, MN 55371
(612) 313-8871
Gr: 6-12 | 2 students
Rank: n/an/a
500 Highway 23 W
Milaca, MN 56353
(320) 982-7249
Milaca, MN 56353
(320) 982-7249
Gr: 7-12 | 28 students Student-teacher ratio: 28:1
Rank: n/an/a
43521 Oodena Drive
Onamia, MN 56359
(320) 532-4690
Onamia, MN 56359
(320) 532-4690
Gr: K-12 | 125 students Student-teacher ratio: 4:1
Rank: n/an/a
Onward Transition Program
Special Education School
706 1st Street
Princeton, MN 55371
(763) 389-6191
Princeton, MN 55371
(763) 389-6191
Gr: 12 | 11 students Minority enrollment: 9%
Rank: n/an/a
Success
Alternative School
35465 125th Ave #1
Onamia, MN 56359
(320) 532-6701
Onamia, MN 56359
(320) 532-6701
Gr: 7-9 | 7 students Minority enrollment: 57%
Mille Lacs County Public Schools (Closed)
School
Location
Quick Facts
Isle Targeted Services (Closed 2009)
Alternative School
730 5th Avenue S
Isle, MN 56342
(320) 676-3494
Isle, MN 56342
(320) 676-3494
Milaca Targeted Services Elementary School (Closed 2009)
Alternative School
500 Highway 23 W
Milaca, MN 56353
(320) 982-7210
Milaca, MN 56353
(320) 982-7210
Gr: 1-8
Oak Land Learning Center Princeton (Closed 2023)
Alternative School
625c Main St N
Princeton, MN 55371
(763) 552-6252
Princeton, MN 55371
(763) 552-6252
Gr: 9-12 | 2 students
Onamia Targeted Services Elementary School (Closed 2009)
Alternative School
35465 125th Avenue
Onamia, MN 56359
(320) 532-4174
Onamia, MN 56359
(320) 532-4174
Gr: K-6
Princeton Alternative Services (Closed 2018)
Alternative School
124 Rum River Dr Unit 104-107
Princeton, MN 55371
(763) 389-6190
Princeton, MN 55371
(763) 389-6190
Gr: 1-12 | 11 students Minority enrollment: 36%
Princeton Educational Options (Closed 2023)
Alternative School
124 N Rum River Drive
Princeton, MN 55371
(763) 389-6719
Princeton, MN 55371
(763) 389-6719
Gr: K-12
Princeton Middle Level Alc (Closed 2023)
Alternative School
1100 4th Ave N
Princeton, MN 55371
(763) 552-6262
Princeton, MN 55371
(763) 552-6262
Gr: 6-8 | 27 students
Princeton Seat Time Program High School (Closed 2023)
Alternative School
1100 4th Ave N
Princeton, MN 55371
(763) 552-6262
Princeton, MN 55371
(763) 552-6262
Gr: 9-12
Rum River North Day Treatment (Closed 2009)
Special Education School
500 Highway 23 W
Milaca, MN 56353
(320) 983-7351
Milaca, MN 56353
(320) 983-7351
Gr: 4-11 | 13 students Minority enrollment: 16%
Frequently Asked Questions
What are the top-ranked public high schools in Mille Lacs County, MN?
The top-ranked public high schools in Mille Lacs County, MN include Princeton High School, Princeton Area Learning Center and Milaca Secondary High School.
How many public high schools are located in Mille Lacs County?
16 public high schools are located in Mille Lacs County.
What is the racial composition of students in Mille Lacs County?
Mille Lacs County public high schools minority enrollment is 22% of the student body (majority American Indian), which is less than the Minnesota public high schools average of 38% (majority Hispanic and Black).
Which public high schools in Mille Lacs County are often viewed compared to one another?
Popular comparisons of public high schools in Mille Lacs County include: Princeton High School vs. Milaca Secondary High School, Onamia High School vs. Isle Secondary, Milaca Secondary High School vs. Princeton High School
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