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League

St. Catherine'sGHCAA (middle/upper school) + TCSAAL (high school) — not TAPPS
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. Catherine'sVolleyball · Flag Football · Cross Country · Soccer · Basketball · Track & Field (Grades 4-12; teams as numbers allow)
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. Catherine's Montessori	Cathedral High School	St. Agnes Academy
Tuition	$20,560 2026-27 rate · 9th grade; grades 10-12: $20,753	$22,850 2026-27 rate	$28,400 2026-27 rate
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	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	10% off for each younger sibling	Not Published	Not Published
Lower school on campus	Yes 14 months–12th (Montessori)	HS only	HS only
Open house	Not posted	Nov 7, 2026	Not posted
Required test	None	ISEE (or CLT for classical-school students)	ISEE Offered on campus: Nov 14, 2026
Application deadline	Jan 15, 2027	Jan 15, 2027	Not posted
Decision date	Mar 5, 2027	Not posted	Not posted
Financial aid	Need-based	Need-based + Merit	Need-based No merit scholarships
AP courses	Not posted	Not posted	25
Enrollment	23	Not Published	934
Student:Teacher	14.4:1	Not Published	9:1
Mass	Monthly	Daily	Weekly Thursdays, 9:10 AM
Sports	6 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.