For the 2025 school year, there are 25 public schools serving 6,071 students in Mille Lacs County, MN (there are 3 private schools, serving 242 private students). 96% 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 43% (versus the Minnesota public school average of 45%), 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 39% (majority Black and Hispanic).
Best Public Schools in Mille Lacs County (2025)
School
(Math and Reading Proficiency)
(Math and Reading Proficiency)
Location
Grades
Students
Rank: #11.
Isle Elementary School
(Math: 60-64% | 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
Grades: PK-6
| 216 students
Rank: #22.
Princeton High School
(Math: 49% | Reading: 53%)
Rank:
Rank:
7/
Top 50%10
807 S 8th Ave
Princeton, MN 55371
(763) 389-6001
Princeton, MN 55371
(763) 389-6001
Grades: 9-12
| 974 students
Rank: #33.
Milaca Elementary School
(Math: 52% | Reading: 49%)
Rank:
Rank:
6/
Top 50%10
500 Highway 23 W
Milaca, MN 56353
(320) 982-7301
Milaca, MN 56353
(320) 982-7301
Grades: PK-6
| 854 students
Rank: #44.
Princeton Middle School
(Math: 38% | Reading: 54%)
Rank:
Rank:
6/
Top 50%10
1100 4th Ave N
Princeton, MN 55371
(763) 389-6704
Princeton, MN 55371
(763) 389-6704
Grades: 6-8
| 739 students
Rank: #55.
Princeton Intermediate School
(Math: 48% | Reading: 47%)
Rank:
Rank:
5/
Bottom 50%10
1202 N 7th Ave
Princeton, MN 55371
(763) 389-6801
Princeton, MN 55371
(763) 389-6801
Grades: 3-5
| 686 students
Rank: #66.
Milaca Secondary High School
(Math: 43% | Reading: 48%)
Rank:
Rank:
5/
Bottom 50%10
500 Highway 23 W
Milaca, MN 56353
(320) 982-7206
Milaca, MN 56353
(320) 982-7206
Grades: 7-12
| 727 students
Rank: #77.
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
Grades: 9-12
| 29 students
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
Grades: 7-12
| 23 students
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
Grades: 9-12
| 46 students
Rank: #1010.
Onamia Elementary School
(Math: 25-29% | Reading: 35-39%)
Rank:
Rank:
3/
Bottom 50%10
35465 125th Ave
Onamia, MN 56359
(320) 532-6707
Onamia, MN 56359
(320) 532-6707
Grades: 3-6
| 117 students
Rank: #11 - 1211. - 12.
Isle Secondary
(Math: 25-29% | Reading: 30-34%)
Rank:
Rank:
3/
Bottom 50%10
730 5th Ave S
Isle, MN 56342
(320) 676-3101
Isle, MN 56342
(320) 676-3101
Grades: 7-12
| 199 students
Rank: #11 - 1211. - 12.
Rum River North
Special Education School
(Math: 21-39% | Reading: 21-39%)
Rank:
Rank:
3/
Bottom 50%10
303 3rd Ave Sw
Milaca, MN 56353
(763) 552-6801
Milaca, MN 56353
(763) 552-6801
Grades: PK-12
| 87 students
Rank: #1313.
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
Grades: 7-12
| 236 students
Rank: #1414.
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
Grades: PK-2
| 144 students
Rank: #1515.
Onamia Academy
Alternative School
(Math: ≤20% | Reading: ≤20%)
Rank:
Rank:
2/
Bottom 50%10
407 130th Ave S
Onamia, MN 56359
(320) 532-6840
Onamia, MN 56359
(320) 532-6840
Grades: 4-12
| 45 students
Rank: n/an/a
Credit Recovery
Alternative School
1506 1st Street
Princeton, MN 55371
(763) 389-6719
Princeton, MN 55371
(763) 389-6719
Grades: 9-12
| 3 students
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
Grades: PK
| 73 students
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
Grades: 7-12
| 8 students
Rank: n/an/a
Kokesh Area Learning Center
Alternative School
807 West Main St.
Onamia, MN 56359
(320) 532-4423
Onamia, MN 56359
(320) 532-4423
Grades: 9-12
| 40 students
Rank: n/an/a
500 Highway 23 W
Milaca, MN 56353
(320) 982-7249
Milaca, MN 56353
(320) 982-7249
Grades: 7-12
| 23 students
Rank: n/an/a
500 Highway 23 W
Milaca, MN 56353
(320) 982-7194
Milaca, MN 56353
(320) 982-7194
Grades: K-6
| n/a students
Rank: n/an/a
43521 Oodena Drive
Onamia, MN 56359
(320) 532-4690
Onamia, MN 56359
(320) 532-4690
Grades: K-12
| 132 students
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
Grades: 12
| 11 students
Rank: n/an/a
1206 7th Ave N
Princeton, MN 55371
(763) 389-6901
Princeton, MN 55371
(763) 389-6901
Grades: PK-2
| 656 students
Rank: n/an/a
Success
Alternative School
35465 125th Ave #1
Onamia, MN 56359
(320) 532-6701
Onamia, MN 56359
(320) 532-6701
Grades: 7-9
| 3 students
Mille Lacs County Public Schools (Closed)
School
Location
Grades
Students
110 Sixth Avenue North
Princeton, MN 55371
Princeton, MN 55371
Grades: PK
| n/a students
Isle Targeted Services (Closed 2009)
Alternative School
730 5th Avenue S
Isle, MN 56342
(320) 676-3494
Isle, MN 56342
(320) 676-3494
Grades: n/a
| n/a students
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
Grades: 1-8
| n/a students
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
Grades: 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
Grades: K-6
| n/a students
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
Grades: 1-12
| 11 students
Princeton Educational Options (Closed 2023)
Alternative School
124 N Rum River Drive
Princeton, MN 55371
(763) 389-6719
Princeton, MN 55371
(763) 389-6719
Grades: K-12
| n/a students
Princeton Middle Level Alc (Closed 2023)
Alternative School
1100 4th Ave N
Princeton, MN 55371
(763) 552-6262
Princeton, MN 55371
(763) 552-6262
Grades: 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
Grades: 9-12
| n/a students
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
Grades: 4-11
| 13 students
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?
96% 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 39% (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, Onamia High School vs. Milaca Secondary High School
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