| School | Address | City | Province | Postal Code |
| R. S. Mclaughlin Collegiate & Vocational Institute | 570 Stevenson Road North | Oshawa | ON | L1J 5P1 |
| R.C. Palmer Secondary School | 8160 St. Albans Road | Richmond | BC | V6V 2K9 |
| Raymond High School | Box 240 | Raymond | AB | T0K 2S0 |
| Regina High School | 11 Mount Bernard Avenue | Cornerbrook | NF | A2H 6K6 |
| Reynolds Secondary | 3963 Borden Road | Victoria | BC | V8P 3H9 |
| Richmond Hill High School | 51 Wright Street | Richmond Hill | ON | L4C 4A |
| Richmond International School | 8671 Odlin Crecent | Richmond | BC | vVX 1G1 |
| Rick Hansen Secondary School | 31150 Blue Ridge Drive | Abbotsford | BC | V2S 6A8 |
| Ridgemont High School | 2597 Alta Vista Drive | Ottawa | ON | K1V 7T3 |
| Ridley College | P.O. Box 3013 | St. Catharines | ON | L2R 7C3 |
| River East Collegiate | 295 Sutton Avenue | Winnipeg | MB | R2G 0T1 |
| Rivers Collegiate | Box 519 | Rivers | MB | R0K 1X0 |
| Riverside Secondary School | 2215 Reeve Street | Point Coquilam | BC | V3C 3K2 |
| Riverton Collegiate | Box 749 | Riverton | MB | R0C 2R0 |
| Riverview Collegiate Institute | 650 Coteau Street West | Moose Jaw | SK | S6H 5E6 |
| Robert Bateman Secondary School | 35045 Exbury Avenue | Abbotsford | BC | V2S 6X6 |
| Rockland District High School | 1004 St-Joseph Street | Rockland | ON | K4K 1P6 |
| Rockridge Secondary School | 5350 Headland Drive | West Vancouver | BC | V7W 2H2 |
| Rocky View Virtual School | PO Box 3007 | Airdrie | AB | T4B 2B4 |
| Roncalli Central High School | Avondale | NF | A0A 1B0 | |
| Rosetown Central High School | Box 910 | Rosetown | SK | S0L 2V0 |
| Rosslyn Junior High School | 13215 - 113A Street | Edmonton | AB | T5E 5B9 |
| Rothesay High School | 61 Hampton Road | Rothesay | NB | E2E 5A7 |
| Rothesay Netherwood School | College Hill | Rothesay | NB | E0G 2W0 |
| Royal St. George's College | 120 Howland Avenue | Toronto | ON | M5R 3B5 |
| Rutland Senior Secondary | 705 Rutland Road | Kelowna | BC | V1X 3B6 |