Oklahoma’s principal residential school is the Oklahoma School of Science and Mathematics in Oklahoma City — tuition-free to state residents. Riverside Indian School in Anadarko serves Native students at federal expense. The state has very little private college-preparatory boarding capacity.

Key facts about Oklahoma boarding schools

  • OSSM in Oklahoma City is tuition-free for Oklahoma residents, including room and board.
  • OSSM serves grades 11–12 and admits competitively from across the state.
  • Riverside Indian School in Anadarko is a Bureau of Indian Education boarding school with no tuition cost.
  • Oklahoma has essentially no traditional private prep boarding market.
  • Most families seeking private boarding apply to Texas, Missouri, Arkansas, or New Mexico.

Which are the residential schools in Oklahoma?

Oklahoma residential schools, 2025–26
SchoolCityTypeCostNotes
Oklahoma School of Science and MathematicsOklahoma CityCoed, 11–12 (public)$0 for OK residentsState-funded residential STEM academy
Riverside Indian SchoolAnadarkoCoed, 4–12 (federal, BIE)$0; tribal eligibility requiredNative language and cultural programming

Oklahoma School of Science and Mathematics

OSSM is Oklahoma’s entry in the national network of tuition-free public residential STEM academies that includes IMSA in Illinois and NCSSM in North Carolina. It enrolls academically advanced students for grades 11 and 12 at no cost to Oklahoma families.

For a strong in-state STEM student, this is the highest-value residential option available. The full category is catalogued in free boarding schools.

Federally funded boarding schools

Riverside Indian School in Anadarko is among the oldest continuously operating federal Indian boarding schools. This system has a documented history as an instrument of forced assimilation, examined in the US Department of the Interior’s Federal Indian Boarding School Initiative report; contemporary BIE and tribally controlled schools operate very differently, many with Native language and cultural curricula at their center.

Families considering these schools should contact them and tribal education departments directly, as eligibility and programming vary. For private boarding, Oklahoma families generally apply to Texas, Missouri, Arkansas, or New Mexico. All states: best boarding schools by state.

Oklahoma boarding school FAQ

What boarding schools are in Oklahoma?

Oklahoma's main residential school is the Oklahoma School of Science and Mathematics in Oklahoma City, a tuition-free public academy for grades 11–12. Riverside Indian School in Anadarko, operated by the Bureau of Indian Education, serves Native students at no tuition cost. Private prep boarding is very limited.

Is the Oklahoma School of Science and Mathematics free?

Yes for Oklahoma residents. OSSM in Oklahoma City is state-funded and charges no tuition, room, or board to in-state students in grades 11–12. Admission is competitive and based on academic record, testing, and coursework in mathematics and science.

What is Riverside Indian School?

Riverside Indian School in Anadarko is a Bureau of Indian Education boarding school serving students from federally recognized tribes at no tuition cost. It is one of the oldest continuously operating federal Indian boarding schools, and today includes Native language and cultural programming.

Where do Oklahoma families find private boarding schools?

Oklahoma has little private boarding capacity, so families typically apply out of state — Texas, Missouri, Arkansas, and Tennessee all offer options below Northeastern prices, and New Mexico Military Institute charges among the lowest boarding costs in the country.

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