Admissions » Tuition & Financial Assistance

Tuition & Financial Assistance

Tuition $10,500
$450 Tech Device Fee $450
Registration Fee $250
= $11,200
Tuition $10,500
Tech Device Fee $450
= $10,750
Tuition $10,500
Tech Device Fee $450
Senior Fee $175
= $10,925
The fee for the STAR program is an additional $2,000.

Tuition includes all textbooks, workbooks, paperbacks, art class sketchpads, freshmen portfolios, online subscriptions, most field trips/transportation, and a Google Samsung Chromebook. There are a few athletic fees for student-athletes. Parents are responsible for uniforms, locks, notebooks, writing utensils, calculators, and other typical school supplies.
Tuition and fees are established every year in the spring. Parents/Guardians receive a letter announcing the following year’s rates. Tuition payments begin in July, preceding the start of the school year.
Each family can decide to pay tuition in one of three ways: 
    • Option 1: Yearly — Single payment on or before June 30th with a 3% discount. Payments may be made through Blackbaud Tuition Management or directly to St. Mary’s.
    • Option 2: Semester — Two payments due June 30th and November 30th with a $25 discount. Payments may be made through Blackbaud Tuition Management or directly to St. Mary’s.
    • Option 3: Monthly — Underclassmen: ten payments (July-April). Seniors: nine payments (July-Mar). Payments must be made through Blackbaud Tuition Management by the 20th of each month. A choice of payment dates and payment methods is available. 

Only students with current tuition, fees, and paid registration will be allowed to sit for exams, register for courses, and receive correspondence (i.e., the summer packet) regarding the following year.


Failure to keep tuition current within 30 days can result in withdrawal from St. Mary’s High School.


Tuition must be paid in full by April 30th. Failure to meet this commitment will require a meeting with the president before the student can attend classes the following semester. Seniors who owe tuition may be unable to participate in their graduation or receive a diploma or transcripts.

St. Mary's South Side Catholic High School believes that a quality Catholic education should be within reach of all families. That is why St. Mary's SSC commits over $1,500,000 a year, to tuition assistance. More than 92% of students receive some form of aid. St. Mary's SSC to be the most affordable and accessible all-boys Catholic high school in the St. Louis Area.
To receive tuition assistance, all families must apply using Blackbaud Financial Aid Management.
  • Families can apply on or after January 15th.
  • Tuition assistance is awarded annually.
  • Families in need of assistance must reapply each school year.   
  • Regardless of marital status, both natural parents MUST complete an application to be considered. 
  • When a custodial parent has remarried, the step-parent's financial situation will also be considered.
  • The deadline to apply is March 15th.
  • Smart School ID#: 15060 St. Mary’s High School 
Please apply for financial assistance HERE
Beyond Sunday Fellows (High School) Scholarship Program sponsored by the Roman Catholic Foundation of Eastern Missouri
2023-24 Income Eligibility Guidelines – High School
Scholarship Information
  • Scholarships may require students to write an essay and submit a letter of recommendation.
  • Scholarship applications and accompanying materials must be returned by February 28th.
  • More detailed information about each scholarship can be found on the scholarship applications.
Please apply for scholarships HERE
**Failure to submit all of the required information by the deadline date may result in your family not receiving financial aid or limiting the amount given.
The MOScholars Application opens on February 1st. These scholarships are first come, first serve!

Please apply for scholarships HERE.
For more information, visit or read the FAQs below.
Marianist Scholarship (multiple son discount)
  • For siblings enrolled at St. Mary's High School during the same school year.
  • $1000 per brother
July 5th or July 20th - First Blackbaud Tuition Management payment due
5th or 20th of every month - Blackbaud Tuition Management payment due
April 30th- Final Tuition payment due
Course registration for current students begins in late January.
The $250 registration fee is non-refundable
Registration forms and fees are due in early February during Registration Week!
Dates for registration are on the school calendar.
Athletic fees are $150 per sport.
Amy Kurkowski
Director of Finance
314.481.8400 ext.124