Sandra has had no formal training in art. She started watercolor class in 1978 while in Germany; taking a class from Herr Alfred Herzfeld. That class ended after one year as the Kraacks returned to the United States. Sandra did not start painting again until 1996.
Since then she has taken watercolor classes with Sue Brezine, Nancy Foureman, Michael Lange and Trish McKinney. She has attended many workshops by artists such as Louise Jackson, Donna Vogelheim, Pat Deadman, Judi Betts, Joseph Fettingis and Gerald Brommer.. She traveled to Cape Ann, MA to attend a workshop painting en plein air.