Please specify if you're looking at class sizes for elementary, secondary, or college. Feel free to edit this answer for more specifics, and someone can answer the question appropriately.
the population of the Cayman Islands, is currently 55,000(according to the 2007 census).
The average class size is 35
The average class size at Howard University is 22 students.
The average class size at York's Keele Campus is 57 students.
The 2009 Porsche Cayman has a 2.9 L base engine size.
The 2008 Porsche Cayman has a 2.7 L base engine size.
The 2010 Porsche Cayman has a 2.9 L base engine size.
The 2011 Porsche Cayman has a 2.9 L base engine size.
The 2012 Porsche Cayman has a 2.9 L base engine size.
The 2007 Porsche Cayman has a 2.7 L base engine size.
The 2014 Porsche Cayman has a 2.7 L base engine size.
37 students per class