| Application deadline | Unconfirmed — check official site | February 1, 2027 (2027 cycle) | Unconfirmed — check official site |
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| Cost | Last year's cycle (2026): $3,000–$4,000; 2027: Unconfirmed — check official site | Free attendance; check separate expenses (2027 cycle) | Last year's cycle (2026): $7,208; 2027: Unconfirmed — check official site |
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| Financial aid | Last year's cycle (2026): Sliding-scale tuition by household income: $200–$3,000. Estimated family tuition and fees by income; families can request additional aid on the enrollment form after acceptance.; 2027: Unconfirmed — check official site | 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 |
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| Expenses and aid conditions | Last year's cycle (2026): Sliding-scale tuition by household income: $200–$3,000. Estimated family tuition and fees by income; families can request additional aid on the enrollment form after acceptance.; 2027: Unconfirmed — check official site | On-campus boarding: $0. Covered by program funders.; Food: $0. Covered by program funders. (2027 cycle) | 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 |
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| Stipend or pay | Unconfirmed — check official site | Unconfirmed — check official site | Unconfirmed — check official site |
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| Eligibility | Grades 6–10 when applying; summer rising grade is one higher | Grades 10–11 when applying; summer rising grade is one higher | Grades 9–12; Grade timing: Unconfirmed — check official site |
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| Additional eligibility | Requirement: Open to students currently in grades 6–10 when applying; Requirement: Junior Division: in grade 6, 7 or 8 during the school year of application; Requirement: Senior Division: in grade 9 or 10, with at least a B average for the last full school term and the current year; Requirement: Classified as gifted by a Louisiana public school system, or scores on an acceptable aptitude test | Residency: Texas high school students; Requirement: Open to students currently in grades 10–11 when applying; Requirement: Students enrolled in summer school during the program dates cannot participate (full-time attendance required) | 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 |
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| Session dates or duration | Last year's cycle (2026): Starts June 7, 2026; 7 weeks; 2027: Unconfirmed — check official site | Starts June 20, 2027; Ends June 25, 2027 (2027 cycle) | Last year's cycle (2026): Starts June 28, 2026; Ends August 8, 2026; 6 weeks; 2027: Unconfirmed — check official site |
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| Format | In person | In person | In person |
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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 | Residential. Supervision and housing details: Unconfirmed — check official site |
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| Location | Lake Charles, LA | Austin, TX | Unconfirmed — check official site |
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| Selection and application | Selection: Applicants must meet gifted-identification or aptitude criteria and grade-specific requirements. Applications were reviewed until spaces filled; the program does not publish applicant counts, capacity, or an acceptance rate. | Selection: McCombs describes desired qualities but publishes no current applicant count, cohort size, acceptance rate, fixed GPA cutoff, identity quota, geographic quota, scoring rubric, interview process, or waitlist policy. Historical cohort figures must not be treated as a future guarantee. Application materials: Essay(s); One letter of recommendation | 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 |
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| Official sources | Source 1 · checked 2026-10-24Source 2 · checked 2026-10-24Source 3 · checked 2026-10-24Source 4 · checked 2026-10-24Source 5 · checked 2026-08-21 | Source 1 · checked 2026-10-24Source 2 · checked 2026-08-20Source 3 · checked 2026-08-20 | 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 |
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