East Range Academy of Technology and Science is a public charter high school located in Mt. Iron, Minnesota, United States, serving grades 9th to 12th. ERATS is Minnesota Public Charter School #4166 and is authorized by Osprey Wilds formerly known as Audubon Center of the North Woods.
Serving 149 students in grades 9-12, East Range Academy Of Tech-science ranks in the bottom 50% of all schools in Minnesota for overall test scores (math proficiency is bottom 50%, and reading proficiency is bottom 50%).
The percentage of students achieving proficiency in math is ≤20% (which is lower than the Minnesota state average of 46%). The percentage of students achieving proficiency in reading/language arts is 21-39% (which is lower than the Minnesota state average of 51%).
The student-teacher ratio of 17:1 is higher than the Minnesota state level of 13:1.
Minority enrollment is 20% of the student body (majority American Indian and Black), which is lower than the Minnesota state average of 39% (majority Black).
Quick Facts (2025-26)
- School Type: Charter School
- Grades: 9-12
- Enrollment: 149 students
- Student-Teacher Ratio: 17:1
- Minority Enrollment: 20%
- Graduation Rate: 60-64% (Btm 50% in MN)
- Overall Testing Rank: Bottom 50%
- Math Proficiency: ≤20% (Btm 50%)
- Reading Proficiency: 21-39% (Btm 50%)
- Science Proficiency: <50% (Top 30%)
- Source: National Center for Education Statistics (NCES), MN Dept. of Education
Top Rankings
East Range Academy Of Tech-science ranks among the top 20% of public schools in Minnesota for:
Category
Attribute
Percent Eligible For Free Lunch
School Overview
East Range Academy Of Tech-science's student population of 149 students has declined by 12% over five school years.
The teacher population of 9 teachers has declined by 30% over five school years.
School Type
Grades Offered
Grades 9-12
(No virtual instruction)
(No virtual instruction)
Total Students
149 students
Gender %
Total Classroom Teachers
9 teachers
Year Founded
2007
School Calendar
School Motto
To empower students to develop academic and life skills by providing personalized learning that will prepare them to transition into an ever-changing world.
School Rankings
East Range Academy Of Tech-science ranks within the bottom 50% of all 1,773 schools in Minnesota (based off of combined math and reading proficiency testing data).
The diversity score of East Range Academy Of Tech-science is 0.35, which is less than the diversity score at state average of 0.59. The school's diversity has stayed relatively flat over five school years.
Overall Testing Rank
#1507 out of 1773 schools
(Bottom 50%)
(Bottom 50%)
Math Test Scores (% Proficient)
≤20%
46%
Reading/Language Arts Test Scores (% Proficient)
21-39%
51%
Science Test Scores (% Proficient)
<50%
41%
Student-Teacher Ratio
17:1
13:1
American Indian
5%
2%
Asian
n/a
7%
Hispanic
3%
12%
Black
3%
12%
White
80%
61%
Hawaiian
n/a
n/a
Two or more races
9%
6%
All Ethnic Groups
Graduation Rate
60-64%
84%
Participates in the National School Lunch Program (NSLP)
Yes
Eligible for Free Lunch
90%
36%
Eligible for Reduced Lunch
3%
7%
School Statewide Testing
School District Name
Source: National Center for Education Statistics (NCES), MN Dept. of Education
Profile last updated: 02/09/2025
Frequently Asked Questions
What is East Range Academy Of Tech-science's ranking?
East Range Academy Of Tech-science is ranked #1507 out of 1,773 schools, which ranks it among the bottom 50% of public schools in Minnesota.
What percent of students have achieved state testing proficiency in math and reading?
≤20% of students have achieved math proficiency (compared to the 46% MN state average), while 21-39% of students have achieved reading proficiency (compared to the 51% MN state average).
What is the graduation rate of East Range Academy Of Tech-science?
The graduation rate of East Range Academy Of Tech-science is 60-64%, which is lower than the Minnesota state average of 84%.
How many students attend East Range Academy Of Tech-science?
149 students attend East Range Academy Of Tech-science.
What is the racial composition of the student body?
80% of East Range Academy Of Tech-science students are White, 9% of students are Two or more races, 5% of students are American Indian, 3% of students are Hispanic, and 3% of students are Black.
What is the student-teacher ratio of East Range Academy Of Tech-science?
East Range Academy Of Tech-science has a student ration of 17:1, which is higher than the Minnesota state average of 13:1.
What grades does East Range Academy Of Tech-science offer ?
East Range Academy Of Tech-science offers enrollment in grades 9-12 (No virtual instruction).
What school district is East Range Academy Of Tech-science part of?
East Range Academy Of Tech-science is part of East Range Academy Of Technology-Science School District.
School Reviews
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