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Academics

Entrance Exam

  • 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.)
  • St. AgnesISEE (School code 443420; up to 2 scores; first attempt before Dec 1 (ERB rule))
  • St. Peter CTHSNone (No ISEE/HSPT. Inquiry → tour → FACTS application; English + Math recommendations + transcript. Last cycle: due Jan 15, decisions Mar 6, reply Mar 25.)
  • St. ThomasISEE (School code 571055; freshmen. Transfers: ISEE or PSAT.)

Dual Credit

  • O'ConnellYes (Via Galveston College: English III/IV, US History, Government, Spanish I/II, German IV (TSI test required))
  • St. AgnesNot Published
  • St. Peter CTHSYes (Houston Community College partnership — pathway courses at St. Peter and two HCC campuses; school provides transport during the school day)
  • St. ThomasYes (4 dual-credit courses via University of St. Thomas)

AP Courses

  • O'ConnellNot Published
  • St. Agnes25
  • St. Peter CTHSNot Published
  • St. Thomas21 (40+ advanced/AP courses overall)

Recommendations

  • O'ConnellNot Published
  • St. AgnesEnglish + Math teachers (due Jan 14, 2027)
  • St. Peter CTHSNot Published
  • St. ThomasMath + English teachers (HAIS forms, after Dec 1); student statement + resume; report cards gr 6-8

World Languages

  • O'ConnellSpanish I-III · German (IV dual credit) · American Sign Language I-III
  • St. AgnesNot Published
  • St. Peter CTHSNot Published
  • St. ThomasFrench · Spanish · Mandarin · Latin

AP Exams Scored 3+

  • O'ConnellNot Published
  • St. Agnes97 (% of AP exams scored 3+)
  • St. Peter CTHSNot Published
  • St. ThomasNot Published

Application Deadline

  • O'ConnellNot Published
  • St. AgnesNot Published
  • St. Peter CTHSNot Published
  • St. Thomas2027-01-15 (Opens Aug 3, 2026; supporting docs due Jan 31; rolling after)

Career & Technical Pathways

  • O'ConnellNot Published
  • St. AgnesNot Published
  • St. Peter CTHSBusiness · Construction · Education · Information Technology · Health Sciences (The school describes itself as the first Catholic career and technical high school in Texas, and the second in the United States. Graduates earn a diploma plus a Level 1 industry certification, with a possible HCC associate degree and job placement with partner businesses.)
  • St. ThomasNot Published

Honors Courses

  • O'ConnellNot Published
  • St. Agnes12
  • St. Peter CTHSNot Published
  • St. ThomasNot Published

Language Credits Required

  • O'ConnellNot Published
  • St. Agnes2
  • St. Peter CTHSNot Published
  • St. ThomasNot Published

Learning Support

  • O'ConnellNot Published
  • St. AgnesNot Published
  • St. Peter CTHSNot Published
  • St. ThomasLearning Enrichment Center; college counseling with 4-year plan

Notable Programs

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

Robotics

  • O'ConnellNot Published
  • St. AgnesSpectrum 3847 — 12 consecutive FIRST Championship appearances
  • St. Peter CTHSNot Published
  • St. ThomasNot Published

Test Score Deadline

  • O'ConnellNot Published
  • St. Agnes2027-02-01
  • St. Peter CTHSNot Published
  • St. ThomasNot Published
Commute from home
Tuition
$9,100

2025-26 rate (newest published)

$28,400

2026-27 rate

$15,000

2026-27 rate · most families pay far less after aid

$27,900

2026-27 rate

What's included
Fees listed separately see fees
  • Registration fee: $450
  • Technology fee: $200
  • Sports fee: $150–$250 (per sport ($450 all-season package)) — optional
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

No itemized fees published.

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
Sibling discountMulti-student assistance available (amount not published)Not PublishedNot Published$2,000/yr per sibling after the first
Lower school on campusHS onlyHS onlyHS onlyHS only
Open houseNot postedNot postedNot postedDec 6, 2026
Required test
In-house placement test
ISEE

Offered on campus: Nov 14, 2026

None
ISEE

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

Application deadlineNot postedNot postedNot postedJan 15, 2027
Decision dateNot postedNot postedNot postedMar 5, 2027
Financial aid
Need-based + Merit
Need-based

No merit scholarships

Need-based
Need-based + Merit
AP coursesNot posted25Not posted21
Enrollment8093426791
Student:Teacher4.5:19:1Not Published9:1
Mass
Monthly
Weekly

Thursdays, 9:10 AM

Monthly
Monthly
Sports13 sports12 sportsNot posted12 sports
Links

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