Leadership Team

Michael Carlson - Co-Principal


Michael Carlson is proud to be the Co-Principal at Eldorado. He holds master’s degrees in educational leadership and public administration. Mike was previously a classroom teacher for seven years in Englewood Schools, teaching mainly third grade. He then served as an instructional coach in Sheridan before coming to Douglas County. Mike studied abroad in Costa Rica and while teaching, spent a month exploring Japan on a study tour sponsored by the U.S. Department of Education and the Fulbright-Hays Foundation.

(303) 387-6325

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Katy Kollasch - Co-Principal


Katy Kollasch has been the proud Principal of Eldorado Elementary since 2013. Her career in education began in 1998 following an undergraduate degree in Consumer Science and a post-graduate certificate in secondary education from the University of Wales, Cardiff. Katy spent 10 years as a teacher in Wales, England, North Carolina, and Colorado. Following a Masters degree in Administration and Supervision from the University of Phoenix, Colorado Springs, she became an administrator in Douglas County School District in 2008. Following four years as the Assistant Principal at ThunderRidge High School (TRHS), Katy was honored to be selected as the Principal at Eldorado and is thrilled that she is still a member of the TRHS Feeder! She is passionate about providing opportunities for students to be curious and is committed to developing the 'whole child' (physically, intellectually, emotionally, and socially) through a series of real-world experiences that inspire and encourage empathy.

(303) 387-6325

image of Katy