DCHP-1 Online
Grade 13 Esp. Ont. 
a fifth year of secondary school.
- 1963 Ontario has had a fifth year in its secondary school program for a long time. It has gone under different names--the one best known to older people was the Upper School--but it is now known far and wide as Grade 13.
- 1964 Most schools find it difficult to persuade their students to stay on until Grade 13.
- 1963 Ontario has had a fifth year in its secondary school program for a long time. It has gone under different names--the one best known to older people was the Upper School--but it is now known far and wide as Grade 13.