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Academics

Entrance Exam

  • 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.)
  • DuchesneISEE (Administered externally; campus tour + family interview also required)
  • St. AgnesISEE (School code 443420; up to 2 scores; first attempt before Dec 1 (ERB rule))
  • 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.)

Dual Credit

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

AP Courses

  • St. Peter CTHSNot Published
  • Duchesne20 (AP enrollment caps: soph 1 / jr 2 / sr 3; AP exam required if enrolled)
  • St. Agnes25
  • O'ConnellNot Published

Honors Courses

  • St. Peter CTHSNot Published
  • Duchesne12 (Called "Advanced" courses)
  • St. Agnes12
  • O'ConnellNot Published

Notable Programs

  • St. Peter CTHSNot Published
  • DuchesneRobotics and competitive debate programs; IT internship with Microsoft certification; junior Research Paper requirement
  • St. AgnesNot Published
  • O'ConnellSTEAM electives: Robotics, Computer Science, Esports, Horticulture, Graphic Design; Honors Engineering I & II; A La Carte program for homeschoolers

Recommendations

  • St. Peter CTHSNot Published
  • DuchesneEnglish and/or Math teacher + principal/head of school; 2 years transcripts
  • St. AgnesEnglish + Math teachers (due Jan 14, 2027)
  • O'ConnellNot Published

World Languages

  • St. Peter CTHSNot Published
  • DuchesneFrench (incl. Advanced IV-DELF B1) · Spanish (incl. AP) · American Sign Language I-III
  • St. AgnesNot Published
  • O'ConnellSpanish I-III · German (IV dual credit) · American Sign Language I-III

AP Exams Scored 3+

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

Career & Technical Pathways

  • 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.)
  • DuchesneNot Published
  • St. AgnesNot Published
  • O'ConnellNot Published

Language Credits Required

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

Robotics

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

Test Score Deadline

  • St. Peter CTHSNot Published
  • DuchesneNot Published
  • St. Agnes2027-02-01
  • O'ConnellNot Published
Commute from home
Tuition
$15,000

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

$33,600

2026-27 rate · Upper School

$28,400

2026-27 rate

$9,100

2025-26 rate (newest published)

What's included
Fees listed separately

No itemized fees published.

Fees listed separately see fees
  • New Student Fee: $1,500
  • Enrollment deposit: $1,000
  • Technology fee (Grade 9): $2,600
  • Textbooks: $350 (approximate, Upper School)
  • Grade 10 College Tour: $500 (grade 10)
  • Graduation fee: $600 (seniors)
  • Class trips: $175–$2,800 — optional
  • AP exams: $100–$200 (per exam) — optional
  • Athletics fee: $150–$300 (per sport) — 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 see fees
  • Registration fee: $450
  • Technology fee: $200
  • Sports fee: $150–$250 (per sport ($450 all-season package)) — optional
Sibling discountNot PublishedNot PublishedNot PublishedMulti-student assistance available (amount not published)
Lower school on campusHS only
Yes

PK3–12

HS onlyHS only
Open houseNot postedNov 1, 2026Not postedNot posted
Required test
None
ISEE
ISEE

Offered on campus: Nov 14, 2026

In-house placement test
Application deadlineNot postedNot postedNot postedNot posted
Decision dateNot postedNot postedNot postedNot posted
Financial aid
Need-based
Need-based + Merit
Need-based

No merit scholarships

Need-based + Merit
AP coursesNot posted2025Not posted
Enrollment2630093480
Student:TeacherNot Published8.1:19:14.5:1
Mass
Monthly
Not Published
Weekly

Thursdays, 9:10 AM

Monthly
SportsNot posted12 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.