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Charter schoolHighGrades 6–12Charter

Sejong Academy Upper School

🇺🇸 Official data · 2025Maplewood, Minnesota 55119 · Sejong Academy of Minnesota

21.8/ 100
Success Index (US)
Lower 50%

#408 of 433 high schools in Minnesota
#14985 of 16,910 nationally

How is this calculated?
Students
136
Enrollment
136
Source: NCES CCD
Free/reduced-price lunch
85.3%
Source: NCES CCD
Students per teacher
27.2
Source: NCES CCD

About Sejong Academy Upper School

Sejong Academy Upper School is a charter high located in Maplewood, in the Sejong Academy of Minnesota school district of Minnesota, United States. It caters for Grades 6–12. In 2025 it enrolled 136 students. Publicly funded charter schools operating under a performance contract; free to attend.

Its Success Index (US) is 21.8 out of 100, placing it in the lower 50% of high schools in United States and 408th of 433 ranked high schools in Minnesota. Its strongest component is students per teacher (28th percentile), and its weakest is community advantage (fewer free/reduced-price lunch) (18th percentile).

Other published figures: enrollment 136.

There are 9 schools in Maplewood; Sejong Academy Upper School ranks 8th of 8 scored schools there.

Success Index (US) breakdown

Each component is a percentile against high schools across United States.

  • Math proficiency (30%)–
  • Reading proficiency (30%)–
  • Community advantage (fewer free/reduced-price lunch) (25%)85.3%
  • Students per teacher (15%)27.2

The Success Index (US) summarises published data about a school community. It is not a measure of teaching quality. Read the methodology.

Published measures

All figures published for Sejong Academy Upper School by the official sources.

Enrollment
136
Students enrolled in the latest NCES directory year.
Free/reduced-price lunch
85.3%
Share of students eligible for free or reduced-price lunch.
Students per teacher
27.2
Enrollment divided by FTE teachers; not class size.

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Schools near Sejong Academy Upper School

Closest schools by straight-line distance, with their Success Index (US).

Similar schools

Charter high schools in Minnesota with a comparable Enrollment.

Frequently asked questions

Is Sejong Academy Upper School a good school?

Sejong Academy Upper School has a Success Index (US) of 21.8 out of 100 (Lower 50% of high schools in United States) and ranks #408 of 433 in Minnesota. The index summarises published data about the school community and, where available, attainment; it does not measure teaching quality, so visit the school and ask about support at your child's level.

Where does Sejong Academy Upper School rank in Minnesota?

Sejong Academy Upper School ranks #408 of 433 high schools in Minnesota and #14985 of 16,910 nationally on the Success Index (US) (2025 data).

How many students attend Sejong Academy Upper School?

Sejong Academy Upper School had 136 students in 2025.

Is Sejong Academy Upper School a elementary school or a high school?

Sejong Academy Upper School is classified as a high covering Grades 6–12. It is a charter school.

What other schools are near Sejong Academy Upper School?

There are 10 schools within 15 km of Sejong Academy Upper School; they are listed on this page with their Success Index (US) and distance, and can be compared side by side.