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Cornerstone Montessori Elementary

Public, Charter Grades K-6
606th
SchoolDigger Rank ?
of 872 Minnesota Elementary Schools
Better than 31% of Minnesota elementary schools
Summary

Cornerstone Montessori Elementary is a public charter elementary school in Saint Paul, Minnesota, serving 138 students from kindergarten to 6th grade. The school is part of the Cornerstone Montessori Elementary District, which is ranked 322 out of 446 districts in the state and has a 1-star rating from SchoolDigger.

Cornerstone Montessori Elementary has consistently ranked in the bottom half of Minnesota elementary schools, with a ranking between 392 and 679 over the past 10 years. The school's performance on the MCA-III assessments is significantly below the state averages in both math and reading, with only 19.44% of students proficient or better in math in the 2024-2025 school year, compared to the state average of 45.21%. When compared to nearby schools, such as L'Etoile du Nord French Immersion, which had 57.69% of students proficient or better in math, Cornerstone Montessori's academic performance is generally lower.

The school has a higher percentage of students from low socioeconomic backgrounds, with 56.52% of students qualifying for free or reduced-price lunch in the 2023-2024 school year. Cornerstone Montessori has a relatively low student-teacher ratio of 12.9 students per teacher, which is lower than nearby schools like Achieve Language Academy (13.2 students per teacher) and The Heights Community School (9.9 students per teacher). The school's performance has been inconsistent over time, suggesting challenges in maintaining consistent academic achievement.

132
Students ?
12.4
Student/teacher ratio ?
$13,321
Per pupil spending ?
54.5%
Free/discounted lunch ?
 1611 Ames Ave
       Saint Paul, MN  55106-2903

(651) 774-5000

District: Cornerstone Montessori Elementary

Racial breakdown:

White:
36.4%
Hispanic:
20.5%
African American:
17.4%
more
 See top rated Minnesota elementary schools

 Compare Cornerstone Montessori Elementary to nearby elementary schools!
At a glance
Ranking trend: Recently slipping — 54th percentile in 2023 → 31st in 2025
Worth a look
!Test scores below the Minnesota average (33% vs 47% meeting standards)
!Ranking has slipped from its 54th-percentile peak (2023) to 31st (2025)
!Math scores 26 pts below the Minnesota average
Students meeting standards (2024-2025) ?
This school33%
District avg33%
Minnesota avg47%
606th of 872
Minnesota public elementary schools ?
Bottom 31%▲ up 22 pts since 2015
From bottom 9% (2015) to bottom 31% (2025)
See the entire ranking list of Minnesota Elementary Schools →
SchoolDigger rating ?
322nd of 446Cornerstone Montessori Elementary among Minnesota districts
Statewide rank percentile over time (100 = the top-ranked school in the state; click a legend item to add a student group)
Show full rank history (all student groups)

All Students

YearAvg scoreStatewide rankMinnesota percentileRating
202534.0606 of 87230.5%★★☆☆☆
202440.5580 of 88134.2%★★☆☆☆
202358.1392 of 84553.6%★★★☆☆
202257.3405 of 85852.8%★★★☆☆
202136.7624 of 86928.2%★☆☆☆☆
201927.2679 of 87022.0%★☆☆☆☆
201830.1662 of 84721.8%★☆☆☆☆
201720.8718 of 85315.8%★☆☆☆☆
201622.4710 of 84816.3%★☆☆☆☆
20159.5765 of 8408.9%☆☆☆☆☆
201418.5720 of 82612.8%★☆☆☆☆

Female

YearAvg scoreStatewide rankMinnesota percentileRating
202438.2546 of 80932.5%★★☆☆☆
202356.1384 of 78751.2%★★★☆☆
202260.1355 of 79955.6%★★★☆☆
201925.2637 of 78719.1%★☆☆☆☆

Low Socio Economic Status

YearAvg scoreStatewide rankMinnesota percentileRating
202533.5546 of 76428.5%★☆☆☆☆
202436.4548 of 79330.9%★★☆☆☆
202347.2425 of 77445.1%★★☆☆☆
201927.9592 of 74020.0%★☆☆☆☆

Male

YearAvg scoreStatewide rankMinnesota percentileRating
202448.4476 of 82642.4%★★☆☆☆
202357.5362 of 79954.7%★★★☆☆
202262.1317 of 80860.8%★★★☆☆
201820.0660 of 77915.3%★☆☆☆☆

White

YearAvg scoreStatewide rankMinnesota percentileRating
202456.8303 of 73058.5%★★★☆☆
202356.4313 of 71256.0%★★★☆☆
202262.2248 of 72565.8%★★★☆☆
201957.1309 of 72257.2%★★★☆☆
201865.7223 of 71268.7%★★★☆☆
How student groups rank statewide ? (each group's percentile vs the same group at other schools — higher is better; the +/- beside each compares the group with this school's overall percentile)
White (2024)58th percentile+24 vs school
Male (2024)42nd percentile+8 vs school
Female (2024)33rd percentile~ school
Low Socio Economic Status (2025)29th percentile~ school
By subject vs Minnesota (2024-2025) ?
Reading47%~ state avg
Math19%-26 vs state

4.2
5 ratings · 4 written reviews
54
40
30
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11
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What people are saying
by a parent
Tuesday, March 12, 2019

Open Quote Wonderful small school that is focused on building up the whole child. Very caring staff and administration. Close Quote


by a parent
Thursday, March 7, 2019

Open Quote Not a school for non-white students! We’re getting ready to organize a turnaround or shut down of this school. Close Quote


by a parent
Monday, January 22, 2018

Open Quote Great family environment. Personal attention to students. Close Quote


by a parent
Thursday, February 6, 2014

Open Quote Cornerstone Montessori is an outstanding school. This school is a beautiful place, where students feel supported and encouraged to develop their minds. The school is designed for what is best for kids, and it is clear in how the Montessori philosophy is alive and well at the school. Both my sons love school and are alive with learning. It is also an incredibly diverse environment, that truly values its diversity. It is a gem of a school. Close Quote





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Frequently Asked Questions about Cornerstone Montessori Elementary

In the 2024-25 school year, 132 students attended Cornerstone Montessori Elementary.

Cornerstone Montessori Elementary ranks 606th of 872 Minnesota elementary schools. SchoolDigger rates this school 2 stars out of 5.

Students at Cornerstone Montessori Elementary are 36% White, 20% Hispanic, 17% African American, 16% Two or more races, 10% Asian.


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SchoolDigger data sources: National Center for Education Statistics, U.S. Department of Education, the U.S. Census Bureau and the Minnesota Department of Education.

IMPORTANT DISCLAIMERS: Not all boundaries are included. We make every effort to ensure that boundaries are up-to-date. But it's important to note that these are approximations and are for general informational purposes only. To verify legal descriptions of boundaries or school locations, contact your local tax assessor's office and/or school district.





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