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Academics

Entrance Exam

  • St. AgnesISEE (School code 443420; up to 2 scores; first attempt before Dec 1 (ERB rule))
  • 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.)
  • Strake JesuitISEE (School code 570964; 9th/10th applicants. 11th-12th transfers submit PSAT instead. ISEE fee $170 (paid to ERB).)
  • 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.)

Recommendations

  • St. AgnesEnglish + Math teachers (due Jan 14, 2027)
  • St. Catherine'sNot Published
  • Strake Jesuit3 — English teacher, Math teacher, Principal/Counselor (electronic via mySJ, not before Nov 1)
  • O'ConnellNot Published

World Languages

  • St. AgnesNot Published
  • St. Catherine'sSpanish · Latin/French/ASL/Portuguese via independent study & university partnerships
  • Strake JesuitNot Published
  • O'ConnellSpanish I-III · German (IV dual credit) · American Sign Language I-III

Academic Model

  • St. AgnesNot Published
  • 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.)
  • Strake JesuitNot Published
  • O'ConnellNot Published

AP Courses

  • St. Agnes25
  • St. Catherine'sNot Published
  • Strake JesuitNot Published
  • O'ConnellNot Published

AP Exams Scored 3+

  • St. Agnes97 (% of AP exams scored 3+)
  • St. Catherine'sNot Published
  • Strake JesuitNot Published
  • O'ConnellNot Published

AP Scholar Awards

  • St. AgnesNot Published
  • St. Catherine'sNot Published
  • Strake Jesuit388
  • O'ConnellNot Published

Application Deadline

  • St. AgnesNot Published
  • St. Catherine'sNot Published
  • Strake Jesuit2027-01-15 (Supplemental documents due Jan 31; rolling after that if space)
  • O'ConnellNot Published

Dual Credit

  • St. AgnesNot Published
  • St. Catherine'sNot Published
  • Strake JesuitNot Published
  • O'ConnellYes (Via Galveston College: English III/IV, US History, Government, Spanish I/II, German IV (TSI test required))

Honors Courses

  • St. Agnes12
  • St. Catherine'sNot Published
  • Strake JesuitNot Published
  • O'ConnellNot Published

Language Credits Required

  • St. Agnes2
  • St. Catherine'sNot Published
  • Strake JesuitNot Published
  • O'ConnellNot Published

Learning Support

  • St. AgnesNot Published
  • St. Catherine'sNot Published
  • Strake JesuitAcademic Resource Center + Learning Resource Center (learning differences)
  • O'ConnellNot Published

Notable Programs

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

Robotics

  • St. AgnesSpectrum 3847 — 12 consecutive FIRST Championship appearances
  • St. Catherine'sNot Published
  • Strake JesuitNot Published
  • O'ConnellNot Published

STEM Recognition

  • St. AgnesNot Published
  • St. Catherine'sNot Published
  • Strake JesuitNewsweek: #27 of 5,000 STEM schools
  • O'ConnellNot Published

Test Prep

  • St. AgnesNot Published
  • St. Catherine'sNot Published
  • Strake JesuitFree Ray Dass PSAT/SAT/ACT prep; national SAT/ACT test center on campus
  • O'ConnellNot Published

Test Score Deadline

  • St. Agnes2027-02-01
  • St. Catherine'sNot Published
  • Strake JesuitNot Published
  • O'ConnellNot Published
Commute from home
Tuition
$28,400

2026-27 rate

$20,560

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

$29,970

2026-27 rate

$9,100

2025-26 rate (newest published)

What's included
Fees listed separately see fees
  • Application fee: $75 ($125 for transfer applicants)
  • Enrollment deposit: $500
  • Tablet PC (technology): $1,725
  • AP test fee: $105 (per AP / Honors-AP class) — optional
  • Senior fee: $350 (seniors only) — optional
  • Athletics fee: $150 (per sport) — optional
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
  • Textbooks (physical + digital)
  • iPad + keyboard case with insurance
  • AP exam fees
  • SAT/ACT prep
  • Course fees (ceramics, science labs)
  • Academic support
  • Most extracurricular/athletic expenses
  • Lab goggles + PE uniforms
  • Parking

Charged separately:

  • ISEE exam (paid to ERB): $170 (applicants) — optional
Fees listed separately see fees
  • Registration fee: $450
  • Technology fee: $200
  • Sports fee: $150–$250 (per sport ($450 all-season package)) — optional
Sibling discountNot Published10% off for each younger siblingNot PublishedMulti-student assistance available (amount not published)
Lower school on campusHS only
Yes

14 months–12th (Montessori)

HS onlyHS only
Open houseNot postedNot postedDec 3, 2026Not posted
Required test
ISEE

Offered on campus: Nov 14, 2026

None
ISEE

Offered on campus: Oct 31, 2026 · Jan 9, 2027

In-house placement test
Application deadlineNot postedJan 15, 2027Jan 15, 2027Not posted
Decision dateNot postedMar 5, 2027Mar 5, 2027Not posted
Financial aid
Need-based

No merit scholarships

Need-based
Need-based
Need-based + Merit
AP courses25Not postedNot postedNot posted
Enrollment934231,39080
Student:Teacher9:114.4:110:14.5:1
Mass
Weekly

Thursdays, 9:10 AM

Monthly
Monthly

Daily Mass also offered

Monthly
Sports12 sports6 sports17 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.