In order to ensure uniformity, all uniform items must be purchased through R.J. McCarthy Ltd., the school’s sole supplier chosen through a comprehensive tendering process.  School uniform items, as outlined in the school uniform policy, must be purchased from the approved supplier.  The school approved supplier is R.J. McCarthy Ltd., located at 3250 Ridgeway Drive, Unit #8, Mississauga, ON (904-820-4520 or 1-800-668-8261) or you can order on-line at www.rjmccarthy.com.

St. John Catholic High School #457 – McCarthy’s Registration flyer

For your convenience McCarthy’s uniform maybe purchased form our in school store:

McCarthy Uniform In-School Store Hours

The St. John in-school uniform store will be open on the following days:

Tuesday 3:15-4:30
Wednesday 3:15-4:30

McCarthy Uniform price list 2018-2019

McCarthy 2017-2018 St John ISS Store Hours Sign (1)

The St. John in-in school uniform store will have extended hours the first two weeks of school they will be as follows:

Tues Sept 5: 3:15pm-6:00pm

Wed Sept 6: 3:15pm-6:00pm

Tues Sept 12: 3:15pm-6:00pm

Wed Sept 13: 3:15pm-6:00pm

McCarthy2017 Extended Hours St John ISS Store Hours Sign

Clothing items can be paid by cash, debit, Visa or Mastercard. NO CHEQUES

McCarthy School Uniform Store Summer Hours 2018 TBA

For more information please call the store during these hours at 613-267-4724 ext 161

*please note that there will be no mobile store this year all purchases must be made by either ordering on line, phoning the call center or purchasing at the school store.

USED UNIFORMS: Please contact St. John CHS School Council for more information at:


Next Used Uniform Sale – TBA

by cash or cheque only. Debit and credit not available.