The Ordnung is the strict rulebook that tells people how to live life, but they do differ based on the district. In fact, each Amish community is a different church. They set the rules that fit their community, but general rules apply in most districts.
Rumspringa is a rite of passage for Amish adolescents, and it generally happens between 14 and 16 years old. It allows the teenagers to explore the outside world without condemnation or “rule-breaking.” They then determine if they want to get baptized or leave their community.