Film certificate research

The first thing I need to understand is the average certificate to teen comedy. Here are a list of the films that I have researched from the genre with their film certificate :

• American Pie- 15
• Superbad- 15
• The Inbetweeners Movie- 15
• Sexdrive- 15 
• Eurotrip-15
• Project x- 18
• She's the man- 12A
• Adventureland- 15 

So according to the research it seems that teen comedy films are usually rated 15 and the exceptions are usually 12 or 18 rated.

Here are the following film certificates the UK uses:

Within Teen Comedy, the key features to what makes a film rated 15 are:

• frequent strong language 
• sexual references and nudity 
• drug taking 
• strong verbal references to sex 
• discriminatory language or behaviour