Class Size Counts (100% accuracy IS NOT guaranteed)
Can you spot the Official Baby Boom Years?
1946 - 1964 saw a marked increase in the number of births in North America
birth year 1946 (graduated in 1964)
birth year 1964 (graduated in 1982)
| 1940s average class size = 90 | 1950s average class size = 93 | 1960s average class size = 158 | |
| 1970s average class size = 173 | 1980s average class size = 152 | 1990s average class size = 138 | 2000s average class size = 142 |
1940 - 2001 Average class size = 158
Biggest Class year was 1981 at 194 students
Smallest Class year was 1951 at 61 students
Total students = 8334
Numbers provided by Joe Collea - Class of 1965, teacher, Vice-Principal and Principal of IHS
Created and maintained by Aileen Carney Sweeney - Class of 1974
Digital Image Copyright & Copyright © 1997 - 2014 ilionalumni.com
First Published October 2002
Modified Sept 5, 2014
