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Academics

Entrance Exam

  • St. Catherine'sNone (No admission test. Inquiry → adults-only tour → director meeting → application ($150) + records + lesson samples → student classroom visit. 9th graders enter the Adolescent Community (gr 7-9); High School entry is gr 10-12.)
  • Cristo ReyNone (No ISEE/HSPT. Reviews grades, test scores, recommendations + 30-min student interview. Must be 14 by Sept 1, work-authorized, and income-eligible.)
  • St. ThomasISEE (School code 571055; freshmen. Transfers: ISEE or PSAT.)
  • O'ConnellIn-house placement test (No ISEE/HSPT — 30-60 min Math & Reading placement test, offered Mon-Thu 8:30-2:30. Rolling admissions, no published deadlines.)

World Languages

  • St. Catherine'sSpanish · Latin/French/ASL/Portuguese via independent study & university partnerships
  • Cristo ReySpanish (through AP Language & Literature) (3 foreign-language credits required)
  • St. ThomasFrench · Spanish · Mandarin · Latin
  • O'ConnellSpanish I-III · German (IV dual credit) · American Sign Language I-III

AP Courses

  • St. Catherine'sNot Published
  • Cristo Rey12 (Plus 4 Pre-AP (2026-27 list))
  • St. Thomas21 (40+ advanced/AP courses overall)
  • O'Connell3 (Confirmed via school event calendar: AP Calculus, AP Physics 1, AP Physics C. Not on an academics/curriculum page — count may be incomplete.)

Dual Credit

  • St. Catherine'sNot Published
  • Cristo ReyNot Published
  • St. ThomasYes (4 dual-credit courses via University of St. Thomas)
  • O'ConnellYes (Via Galveston College: English III/IV, US History, Government, Spanish I/II, German IV (TSI test required))

Academic Model

  • St. Catherine'sAMI-accredited Catholic Montessori adolescent program — four integrated areas (Theology, Integrated Humanities, Integrated Sciences, Mathematics); internships (Houston Methodist, law/design firms), university partnerships (St. Thomas, Texas A&M AgriLife), independent study; graduates build a "body of work" (No AP program; university partnerships and internships serve the advanced-work role.)
  • Cristo ReyNot Published
  • St. ThomasNot Published
  • O'ConnellNot Published

Application Deadline

  • St. Catherine'sNot Published
  • Cristo ReyNot Published
  • St. Thomas2027-01-15 (Opens Aug 3, 2026; supporting docs due Jan 31; rolling after)
  • O'ConnellNot Published

Corporate Work-Study

  • St. Catherine'sNot Published
  • Cristo ReyEvery student works one weekday (~7 hrs) at a corporate partner (140+ partners); 4 students job-share one position; schedules built so no classes are missed. Graded 4-credit Practicum; 750+ work hours by graduation; school provides transport to jobs.
  • St. ThomasNot Published
  • O'ConnellNot Published

Learning Support

  • St. Catherine'sNot Published
  • Cristo ReyNot Published
  • St. ThomasLearning Enrichment Center; college counseling with 4-year plan
  • O'ConnellNot Published

Notable Programs

  • St. Catherine'sNot Published
  • Cristo ReyNot Published
  • St. ThomasNot Published
  • O'ConnellSTEAM electives: Robotics, Computer Science, Esports, Horticulture, Graphic Design; Honors Engineering I & II; A La Carte program for homeschoolers

Recommendations

  • St. Catherine'sNot Published
  • Cristo ReyNot Published
  • St. ThomasMath + English teachers (HAIS forms, after Dec 1); student statement + resume; report cards gr 6-8
  • O'ConnellNot Published
Commute from home
Tuition
$20,560

2026-27 rate · 9th grade; grades 10-12: $20,753

$8,000

2026-27 · sliding scale by income — average family pays $783/yr

$27,900

2026-27 rate

$9,100

2025-26 rate (newest published)

What's included
Fees listed separately see fees
  • Application fee: $150
  • Tuition deposit: $750
  • New Student Fee: $850
  • Facility fee: $800
  • Program fee: $2,500–$2,750
Included in tuition see list
  • All classes and materials
  • Laptop (kept 4 years + college)
Included in tuition see list
  • Laptop & technology

Charged separately:

  • Application fee: $75
  • Registration fee: $700
  • Camp Aquinas (freshman retreat): $650 (freshmen)
  • Class retreat: $325 (returning/transfer students)
  • Books: $550
  • Athletics fee: $250 (per sport) — optional
  • AP exam: $99 (per course) — optional
Fees listed separately see fees
  • Registration fee: $450
  • Technology fee: $200
  • Sports fee: $150–$250 (per sport ($450 all-season package)) — optional
Sibling discount10% off for each younger siblingNot Published$2,000/yr per sibling after the firstMulti-student assistance available (amount not published)
Lower school on campus
Yes

14 months–12th (Montessori)

HS onlyHS onlyHS only
Open houseNot postedNot postedDec 6, 2026Not posted
Required test
None
None
ISEE

Offered on campus: Nov 14, 2026 · Jan 9, 2027

In-house placement test
Application deadlineJan 15, 2027Not postedJan 15, 2027Not posted
Decision dateMar 5, 2027Not postedMar 5, 2027Not posted
Financial aid
Need-based
Need-based
Need-based + Merit
Need-based + Merit
AP coursesNot posted12213
Enrollment2347279180
Student:Teacher14.4:111.8:19:14.5:1
Mass
Monthly
Monthly

Fridays, 10:00 AM

Daily Mass also offered

Monthly
Monthly
Sports6 sports10 sports12 sports13 sports
Links

“Not posted” means the school hasn’t published it yet for this admissions cycle — check each school’s full profile for sources.