For the 2026 school year, there are 27 public schools serving 6,071 students in Mille Lacs County, MN (there are 3 private schools, serving 185 private students). 97% of all K-12 students in Mille Lacs County, MN are educated in public schools (compared to the MN state average of 90%).
The top-ranked public schools in Mille Lacs County, MN are Isle Elementary School, Princeton High School and Milaca Elementary School. Overall testing rank is based on a school's combined math and reading proficiency test score ranking.
Mille Lacs County, MN public schools have an average math proficiency score of 41% (versus the Minnesota public school average of 46%), and reading proficiency score of 48% (versus the 51% statewide average). Schools in Mille Lacs County have an average ranking of 4/10, which is in the bottom 50% of Minnesota public schools.
Minority enrollment is 17% of the student body (majority American Indian), which is less than the Minnesota public school average of 40% (majority Black and Hispanic).
Best Public Schools in Mille Lacs County (2026)
School
(Math and Reading Proficiency)
(Math and Reading Proficiency)
Location
Quick Facts
Rank: #11.
Isle Elementary School
(Math: 55-59% | Reading: 50-54%)
Rank:
Rank:
8/
Top 30%10
730 5th Ave S
Isle, MN 56342
(320) 676-3494
Isle, MN 56342
(320) 676-3494
Gr: PK-6 | 200 students Student-teacher ratio: 11:1 Minority enrollment: 19%
Rank: #22.
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: #33.
Milaca Elementary School
(Math: 51% | Reading: 49%)
Rank:
Rank:
6/
Top 50%10
500 Highway 23 W
Milaca, MN 56353
(320) 982-7301
Milaca, MN 56353
(320) 982-7301
Gr: PK-6 | 865 students Student-teacher ratio: 15:1 Minority enrollment: 10%
Rank: #44.
Princeton Middle School
(Math: 40% | Reading: 54%)
Rank:
Rank:
6/
Top 50%10
1100 4th Ave N
Princeton, MN 55371
(763) 389-6704
Princeton, MN 55371
(763) 389-6704
Gr: 6-8 | 740 students Student-teacher ratio: 19:1 Minority enrollment: 9%
Rank: #55.
Princeton Intermediate School
(Math: 46% | Reading: 47%)
Rank:
Rank:
5/
Bottom 50%10
1202 N 7th Ave
Princeton, MN 55371
(763) 389-6801
Princeton, MN 55371
(763) 389-6801
Gr: 3-5 | 675 students Student-teacher ratio: 15:1 Minority enrollment: 13%
Rank: #66.
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: #77.
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: #88.
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: #99.
Princeton Online Mn
(Math: 21-39% | Reading: <50% )
Rank:
Rank:
3/
Bottom 50%10
807 8th Ave S
Princeton, MN 55371
(763) 389-6069
Princeton, MN 55371
(763) 389-6069
Gr: 9-12 | 63 students Minority enrollment: 5%
Rank: #1010.
Onamia Elementary School
(Math: 20-24% | Reading: 35-39%)
Rank:
Rank:
3/
Bottom 50%10
35465 125th Ave
Onamia, MN 56359
(320) 532-6707
Onamia, MN 56359
(320) 532-6707
Gr: 3-6 | 131 students Student-teacher ratio: 15:1 Minority enrollment: 64%
Rank: #11 - 1211. - 12.
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: #11 - 1211. - 12.
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: #1313.
Onamia Primary School
(Math: 25-29% | Reading: 35-39% )
Rank:
Rank:
2/
Bottom 50%10
35465 125th Ave
Onamia, MN 56359
(320) 532-6707
Onamia, MN 56359
(320) 532-6707
Gr: PK-2 | 130 students Student-teacher ratio: 5:1 Minority enrollment: 56%
Rank: #1414.
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: #1515.
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
Early Childhood Special Education
Special Education School
706 1st Street
Princeton, MN 55371
(763) 389-4789
Princeton, MN 55371
(763) 389-4789
Gr: PK | 100 students Minority enrollment: 11%
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
807 8th Ave S
Princeton, MN 55371
(763) 389-6069
Princeton, MN 55371
(763) 389-6069
Gr: 6-8 | 25 students Minority enrollment: 12%
Rank: n/an/a
807 8th Ave S
Princeton, MN 55371
(763) 389-6069
Princeton, MN 55371
(763) 389-6069
Gr: K-5 | 53 students Minority enrollment: 25%
Rank: n/an/a
1206 7th Ave N
Princeton, MN 55371
(763) 389-6901
Princeton, MN 55371
(763) 389-6901
Gr: PK-2 | 639 students Student-teacher ratio: 11:1 Minority enrollment: 10%
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%
Frequently Asked Questions
What are the top-ranked public schools in Mille Lacs County, MN?
The top-ranked public schools in Mille Lacs County, MN include Isle Elementary School, Princeton High School and Milaca Elementary School.
How many public schools are located in Mille Lacs County?
25 public schools are located in Mille Lacs County.
What percentage of students in Mille Lacs County go to public school?
97% of all K-12 students in Mille Lacs County are educated in public schools (compared to the MN state average of 90%).
What is the racial composition of students in Mille Lacs County?
Mille Lacs County public schools minority enrollment is 17% of the student body (majority American Indian), which is less than the Minnesota public schools average of 40% (majority Black and Hispanic).
Which public schools in Mille Lacs County are often viewed compared to one another?
Popular comparisons of public schools in Mille Lacs County include: Princeton High School vs. Milaca Secondary High School, Isle Secondary vs. Milaca Secondary High School, Milaca Secondary High School vs. Princeton High School
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