A Trusted Michigan Career School for Over 85 Years In 1934, Ruth Dorsey founded the Dorsey School to meet the growing demand in business for highly skilled operators of Victor and Burroughs' comptometer machines. In its day, the comptometer was the most advanced technology for data tabulation and was widely used, well into the 1960's. Today, Dorsey remains a committed career training school that prepares individuals for promising career opportunities in fields such as healthcare, nursing, culinary, skilled trades, and beauty fields. Dorsey is proudly represented by thousands of successful graduates from our career schools in Michigan.