Mastery School of Hawken: Parent Guide to a Mastery-Based Private High School

Mastery School of Hawken is a private high school in Cleveland, Ohio, and part of Hawken School. Hawken describes itself as a coeducational private day school founded in 1915, with the Mastery School serving grades 9 through 12 at the University Circle campus.[1] Hawken's high school materials say the Mastery School opened in August 2020.[2]

The school is built around mastery learning, interdisciplinary challenges, portfolio evidence, and the Mastery Transcript rather than conventional grades as the main signal. Its public materials are detailed about the model, but families should remember that this is a private admissions school within an established independent-school organization. It is not a public school, charter school, or open-enrollment program.[1][3][4]

Snapshot facts

Field	Detail
Official name	Mastery School of Hawken.[1][3]
Current operating status	Active private high school campus or program of Hawken School in Cleveland, Ohio.[1][2][3]
Founded or opened	Hawken says Mastery School of Hawken opened in August 2020. Hawken School itself was founded in 1915.[1][2]
Founding organization and model origin	Mastery School is part of Hawken School. Official materials credit Doris Korda as Founding Designer and describe a broader journey from Scott Looney's work on transcript limitations to the Mastery Transcript movement.[4][5][6]
Current leadership	Mastery School team materials list Julia Griffin as Head of Mastery School of Hawken and identify several founding faculty and designers.[7]
Primary location	University Circle campus, 11025 Magnolia Drive, Cleveland, Ohio 44106.[8]
Campus footprint	Hawken operates multiple campuses. Mastery School is the University Circle high school campus, with day and boarding options described in official materials.[1][8][9]
Grades served	Grades 9 through 12, with admissions currently focused on rising 9th and 10th grade students for 2026-27.[1][3]
Status	Private independent school. It is not public or charter.[1][3]
Tuition or affordability	Hawken publishes a flexible tuition model and reports 2026-27 family contribution ranges from $545 to $41,640 for families receiving tuition reduction. This research pass did not capture a current full sticker tuition figure for Mastery School.[10]
Admissions	Private school admissions. The 2026-27 admissions page says rising 9th and 10th graders may apply.[3]
Educational model	Mastery-based learning organized around real-world challenges, Macros, Micros, learner portfolios, and competency documentation.[4][11][12]
Assessment model	No letter grades as the central assessment signal. The school uses the Mastery Transcript, which it describes as a digital showcase and portfolio of credits, knowledge, skills, and abilities.[4][13]

What it is

Mastery School of Hawken is a specialized high school within the larger Hawken School system. That status matters. Parents are not evaluating a small start-up microschool or a district innovation program. They are evaluating a private school with a distinctive high school model, connected to an established independent school founded in 1915.[1]

The school opened in 2020 and is located in Cleveland's University Circle area.[2][8] Hawken describes the campus as using converted houses, classrooms, labs, maker spaces, and other facilities, with students also able to use Gates Mills campus activities through transportation options.[8][9]

The main innovation is not that students do occasional projects. It is that the school attempts to organize high school around mastery evidence and complex work rather than grades, courses, and seat time as the central record. The Mastery Transcript is part of that design.[4][13]

Educational model

Mastery School's model is built around Macros, Micros, and mastery documentation. The school describes Macros as interdisciplinary experiences in which students work in teams for up to five hours a day on real challenges for a community partner.[11] It describes Micros as student-created playlists of projects that let students pursue depth, interests, and mastery over time.[12]

The model draws from apprenticeship and competency-based education. Hawken's research page describes mastery-based education as a form of apprenticeship in which trusted adults help students work toward mastery standards.[15] This is a more structured model than self-directed democratic schools. Students have choice, but the school also defines standards, organizes challenges, and records mastery evidence.[4][11][12]

For taxonomy, Mastery School belongs under mastery-based learning, portfolio-based assessment, project-based learning, and design-challenge schooling. It should not be grouped primarily with Sudbury-style democratic schools because adult-designed structures and assessment standards are central to the model.[4][11]

Student experience

A Mastery School student should expect substantial team-based work, challenge cycles, and public or partner-facing projects. Macros take more than half the schedule, according to the school's official description, and are built around real contexts and organizations.[11] That means students may spend long blocks of time researching, interviewing, building, writing, prototyping, presenting, and revising work rather than moving through seven short class periods.

The school's community page says the school day ends at 2:30 and notes access to the University Circle campus setting, science lab, makerspace, kitchen, dining hall, and green space. It also notes a shuttle to the Gates Mills campus for activities.[8] Families should ask how extracurricular access, athletics, arts, and transportation work for students based at the Mastery School.

Adult roles include faculty, advisors, challenge designers, and college counselors. The school describes trusted adults helping students work toward mastery standards and a college counseling office that helps students match and apply to colleges.[14][15] Parents should ask how advising is assigned, how often students receive feedback, and how the school handles students who struggle in open-ended team settings.

Curriculum, assessment, and progression

Mastery School is not organized around a conventional list of courses and grades. Its public academic materials emphasize Macros, Micros, mastery standards, and the Mastery Transcript.[4][11][12] That does not mean academic content is absent. It means the school claims to capture learning through demonstrated mastery and artifacts rather than traditional grades as the primary record.[4][13]

The transcript is central. The school says the Mastery Transcript is a digital showcase and deep portfolio that captures credits, knowledge, skills, and abilities through a graphic and interactive format.[13] Families should ask to see a sample transcript, a sample credit record, and the mapping from Mastery School requirements to Ohio graduation, college admissions, NCAA eligibility, scholarships, and transfer requirements.

The school says its model does not use letter grades as the main signal. Parents should ask whether any GPA conversion is available, how honors or advanced work is documented, and how students with specialized college goals, such as engineering, pre-medical pathways, or arts conservatory applications, document prerequisite preparation.[4][13][14]

Public, charter, private, nonprofit, program, or network status

Mastery School of Hawken is part of Hawken School, a private day school. Hawken's about page identifies Hawken as a coeducational private school and lists Mastery School grades 9 through 12 at University Circle.[1] The school is not a public school, charter school, or public innovation program.

This distinction matters for access. Families must go through private school admissions and affordability processes. The school should not be presented as broadly available to all Cleveland-area families in the way a public district or charter option might be.[3][10]

Locations and availability

Mastery School is located at Hawken's University Circle campus, 11025 Magnolia Drive in Cleveland.[8] Hawken also operates other campuses, and students may access activities at Gates Mills through shuttle arrangements, but the profile should describe Mastery School as a Cleveland private high school campus rather than a national network.[1][8][9]

Boarding is available in some form. The boarding page says local, national, and international students can live and learn on the University Circle campus, and that acceptance depends on qualifications and availability.[9] Families should verify current boarding capacity, supervision, cost, and eligibility.

Tuition, admissions, and eligibility

The admissions page for 2026-27 says the school is accepting rising 9th and 10th grade students.[3] Families should verify whether later high school entry is possible, whether testing such as ISEE or SSAT is required, and how boarding admissions differ from day admissions.[3][9]

Hawken publishes a flexible tuition model rather than a simple current sticker price in the sources reviewed. It says $15.3 million in assistance is provided to 51 percent of the student body, with family contributions ranging from $545 to $41,640 for families receiving tuition reduction in 2026-27. The page also references the Cleveland Scholarship amount for grades 9 through 12.[10] Parents should verify current full tuition, boarding charges, fees, deposit, and scholarship interactions directly.

Credits, transcripts, diplomas, and accreditation

The Mastery Transcript is the defining documentation tool. The school describes it as a digital showcase and portfolio of credits, knowledge, skills, and abilities.[13] That is more specific than many alternative schools provide, but it still requires careful parent verification. Families should ask exactly how credits are awarded, how diploma requirements are defined, how records are sent to colleges, and whether a conventional transcript can be produced if needed.

Hawken is an established private school, but this research pass did not capture a current accreditor page for Mastery School. The profile should ask the developer or editor to verify Hawken's current accreditation and whether it applies specifically to Mastery School.[1][13]

Evidence and outcomes

Mastery School publishes school-reported outcomes about college admissions and use of the Mastery Transcript. Its admissions page says students have been admitted to more than 700 colleges using the Mastery Transcript and that its first three classes included 65 graduates, with 60 percent matriculating to a top 50 college under U.S. News rankings.[14] These claims are useful but should remain labeled as school-reported. They are not an independent causal evaluation.

The stronger evidence for parents is that the school provides a detailed model, a defined transcript system, and explicit claims about college counseling. The weaker evidence areas are independent outcomes, long-term college persistence, and how the model works for students outside the strongest applicant pool.[4][13][14]

Best fit

Mastery School may fit students who want substantial project work, real-world challenges, team collaboration, adult coaching, and a transcript that shows competencies and artifacts. It may also appeal to families who want an alternative to grades but still want a structured private high school with college counseling.[4][11][13][14]

It may be a weaker fit for families who want a traditional GPA-centered high school, a broad Advanced Placement catalog, familiar class rankings, or a public school option. It may also be challenging for students who dislike ambiguous problems, group work, or public presentations.[3][4][11]

Questions parents should ask

Parents should ask for current tuition and fees, sample Mastery Transcript, graduation requirements, current accreditation, recent college outcomes, transfer examples, boarding details, and how the school supports students who struggle with team-based or open-ended work. They should also ask how mastery is judged, who makes those judgments, whether students can retake or revise work, and how parents receive progress information during the year.[3][4][10][13][14]

Sources

[1] "About Hawken," Hawken School, https://www.hawken.edu/about, accessed June 7, 2026.

[2] "High School," Hawken School, https://www.hawken.edu/academics/high-school, accessed June 7, 2026.

[3] "Admissions," Mastery School of Hawken, https://masteryschool.hawken.edu/admissions, accessed June 7, 2026.

[4] "Mastery School of Hawken," Mastery School of Hawken, https://masteryschool.hawken.edu/, accessed June 7, 2026.

[5] "Our Journey," Mastery School of Hawken, https://masteryschool.hawken.edu/about/our-journey, accessed June 7, 2026.

[6] "About MSH," Mastery School of Hawken, https://masteryschool.hawken.edu/about/about-msh, accessed June 7, 2026.

[7] "Bryan Overbaugh and Team," Mastery School of Hawken, https://masteryschool.hawken.edu/about/bryan-overbaugh, accessed June 7, 2026.

[8] "Our Community," Mastery School of Hawken, https://masteryschool.hawken.edu/student-life/our-community, accessed June 7, 2026.

[9] "Boarding at MSH," Mastery School of Hawken, https://masteryschool.hawken.edu/admissions/boarding-at-msh, accessed June 7, 2026.

[10] "Making MSH Affordable," Mastery School of Hawken, https://masteryschool.hawken.edu/admissions/making-msh-affordable, accessed June 7, 2026.

[11] "Macros," Mastery School of Hawken, https://masteryschool.hawken.edu/academics/macros, accessed June 7, 2026.

[12] "Micros," Mastery School of Hawken, https://masteryschool.hawken.edu/academics/micros, accessed June 7, 2026.

[13] "How We Measure Mastery," Mastery School of Hawken, https://masteryschool.hawken.edu/academics/how-we-measure-mastery, accessed June 7, 2026.

[14] "College Counseling," Mastery School of Hawken, https://masteryschool.hawken.edu/academics/college-counseling, accessed June 7, 2026.

[15] "Research," Mastery School of Hawken, https://masteryschool.hawken.edu/academics/research, accessed June 7, 2026.