My ranking of the Sleepaway Camp movies

My ranking of the franchise from best to worst:

1. Sleepaway Camp (1983): 9/10
2. Sleepaway Camp II: Unhappy Campers (1988): 8/10
3. Sleepaway Camp III: Teenage Wasteland (1989): 7/10
4. Return to Sleepaway Camp (2008): 4/10
5. Sleepaway Camp IV: The Survivor (2012): 2/10