Expanding your Horizons (EYH) is a one day conference for middle school girls showing them the exciting and diverse experiences science, technology, engineering and math (STEM) careers have to offer. Volunteers from the Chicago STEM community organize short, hands-on workshops to directly engage with the girls at a critical time in their development. The CMTS participated and helped organize the first EYH conference in Chicago, with the goal of hosting up to 200 girls from schools across Chicago, on March 23, 2013. Each student will had the opportunity to attend hands-on workshops throughout the day, and learn from mentors in diverse STEM fields, such as chemistry, physics, genetics, botany, engineering and math. The conference is held at the University of Chicago's Hyde Park campus. This year's conference was held on March 22nd, 2014. For further information, please visit the EYH Chicago website.