Betty Loos directed her own school for six years before co-founding the School of Classical Ballet with former business partner Jana Stockton. 

Betty received her early training from June Austin and Hungarian teachers Ildiko Perjessy and Angela Mc Alpin in Billings.  She continued her training at the University of Utah under the direction of William Christiansen, and at the Teachers' Training Program through the Royal Winnipeg Ballet.

She has furthered her training through numerous intensive workshops with teachers such as David Howard, Fredbjorn Bjornson, and Conrad Ludlow.  She was awarded a teacher's fellowship to attend the National Ballet of Canada. Former students have danced with the Royal Winnipeg Ballet, North Carolina Dance Theater, Smuin Ballet, Sacramento Ballet, David Taylor, and apprenticed with the National Ballet of Canada.

Betty has also trained in modern dance with Ririe Woodbury, Mark Morris, Bill T. Jones, Doug Varone, and Sandra Neels.

Additionally, Betty is a co-founder, co-director, and choreographer with the Billings children's community dance company Motion Arts Dance Company (MADCO) since fall of 2012.