Karolina Bock was born as Karolina Richter. She was a student at the theatrical school Dramatens elevskola in Stockholm between 1806 and 1809, were she was instructed by the principal Sofia Lovisa Gråå. Many of the girls graduating from the school between 1804 and 1812, when Gråå was principal, became famous in Sweden, and were called "the girls of Gråå".