| Application deadline | Unconfirmed — check official site | Unconfirmed — check official site | March 1, 2027 (2027 cycle) |
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| Cost | Catalog terms: Free attendance; check separate expenses; 2027: Unconfirmed — check official site | Last year's cycle (2026): $7,208; 2027: Unconfirmed — check official site | Unconfirmed — check official site |
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| Financial aid | Unconfirmed — check official site | Last year's cycle (2026): Need-based financial aid and travel grants: Amount: Unconfirmed — check official site. Free for domestic students with household income under $85,000; case-by-case awards above that and for international students.; 2027: Unconfirmed — check official site | Unconfirmed — check official site |
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| Expenses and aid conditions | Unconfirmed — check official site | Last year's cycle (2026): Application: $0. Applying is free.; Need-based financial aid and travel grants: Amount: Unconfirmed — check official site. Free for domestic students with household income under $85,000; case-by-case awards above that and for international students.; 2027: Unconfirmed — check official site | Unconfirmed — check official site |
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| Stipend or pay | Unconfirmed — check official site | Unconfirmed — check official site | Weekly salary: $500 (2027 cycle) |
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| Eligibility | Grades 10–11 when applying; summer rising grade is one higher | Grades 9–12; Grade timing: Unconfirmed — check official site | Grade 12 and first-year college; Grade timing: Unconfirmed — check official site |
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| Additional eligibility | Requirement: Open to students currently in grades 10–11 when applying; Requirement: Minimum 3.0 GPA or equivalent; Requirement: Strong grade-level math skills, as shown by state-standardized math test scores; Requirement: Attend a public high school, or a private high school on scholarship; Requirement: Strong interest in earning a computer science degree or certification and pursuing a CS career; Requirement: SMASH Morehouse applicants must be male; SMASH Spelman applicants must be female | Requirement: Open to grades 9–12; Requirement: Must not have already graduated from high school; Requirement: Most participants have just finished 10th or 11th grade; students who just completed 9th grade with more advanced math have attended; Requirement: International students are welcome to apply | Citizenship: US citizen; Residency: IL; Requirement: Open to grades 12–13; Requirement: High school senior in the 2027-2028 school year or a 2027 high school graduate; Requirement: Enrolled in an Illinois high school; Requirement: Proof of medical insurance |
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| Session dates or duration | Last year's cycle (2026): Starts July 11, 2026; Ends July 31, 2026; 2027: Unconfirmed — check official site | Last year's cycle (2026): Starts June 28, 2026; Ends August 8, 2026; 6 weeks; 2027: Unconfirmed — check official site | Starts July 12, 2027; Ends August 6, 2027; 4 weeks (2027 cycle) |
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| Format | In person | In person | Hybrid |
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| Housing and supervision | Residential. Supervision and housing details: Unconfirmed — check official site | Residential. Supervision and housing details: Unconfirmed — check official site | Non-residential. Supervision and housing details: Unconfirmed — check official site |
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| Location | Atlanta, Boston, Ann Arbor, Berkeley, GA, MA, MI, CA | Unconfirmed — check official site | IL |
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| Selection and application | Selection: Applicants must satisfy all published requirements, and geographic preferences apply; the current pages do not publish applicant counts or an acceptance rate. | Selection: HCSSiM expected 51 students in 2026 and reported more strong applications than it could accept; admission was rolling and used the letter, recommendation and Interesting Test rather than an age cutoff. Application materials: Letter of recommendation from a sponsor who knows you in a mathematical context | Application materials: Letter of recommendation from a STEM teacher or STEM club advisor |
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| Official sources | Source 1 · checked 2026-10-24Source 2 · checked 2026-10-24Source 3 · checked 2026-10-24Source 4 · checked 2026-08-21 | Source 1 · checked 2026-10-24Source 2 · checked 2026-10-24Source 3 · checked 2026-10-24Source 4 · checked 2026-10-24Source 5 · checked 2026-08-20 | Source 1 · checked 2026-10-24 |
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