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League

St. John XXIIITAPPS 6A, District 4 (2024-26 alignment) (State titles in Soccer, Swimming, Cross Country, Track & Field)
CathedralTAPPS 3A + Rugby Texas Division 2
St. AgnesTAPPS 6A (South Region, District 4) (Water Polo, Lacrosse, Field Hockey via independent orgs; cheer with Strake Jesuit/St. Thomas)

Sports Offered

St. John XXIIIFootball · Volleyball · Cross Country · Cheer · Dance · Baseball · Softball · Golf · Tennis · Track & Field · Basketball · Soccer · Swimming
CathedralVolleyball (B/G) · Cross Country · Fencing · Basketball (B/G) · Rugby · Soccer (B/G) · Swimming · Field Hockey (G) · Track & Field · Tennis (G) · Baseball (B)
St. AgnesCross Country · Field Hockey · Volleyball · Water Polo · Basketball · Soccer · Swimming · Golf · Lacrosse · Softball · Tennis · Track & Field

Students Playing a Sport

Commute from home

	St. John XXIII College Preparatory	Cathedral High School	St. Agnes Academy
Tuition	$22,100 2026-27 rate	$22,850 2026-27 rate	$28,400 2026-27 rate
What's included	Fees listed separately see fees New Student Enrollment Fee: $500 Financial aid application (Clarity): $60 — optional	Fees listed separately No itemized fees published.	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
Sibling discount	2nd student $17,680 ($4,420 off)	Not Published	Not Published
Lower school on campus	HS only	HS only	HS only
Open house	Not posted	Nov 7, 2026	Not posted
Required test	ISEE	ISEE (or CLT for classical-school students)	ISEE Offered on campus: Nov 14, 2026
Application deadline	Not posted	Jan 15, 2027	Not posted
Decision date	Not posted	Not posted	Not posted
Financial aid	Need-based + Merit	Need-based + Merit	Need-based No merit scholarships
AP courses	Not posted	Not posted	25
Enrollment	432	Not Published	934
Student:Teacher	11.3:1	Not Published	9:1
Mass	Weekly Daily Mass also offered	Daily	Weekly Thursdays, 9:10 AM
Sports	13 sports	11 sports	12 sports
Links	Full profile Admissions	Full profile Admissions	Full profile Admissions

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