STEM School in Highlands Ranch was under lockdown after shots were fired on Tuesday afternoon.

UPDATED on May 8 at 4:22p.m.:
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The Douglas County Sheriff's Department has reported that one student has died following a shooting at a school in Highlands Ranch. The student has been identified as 18-year-old Kendrick Castillo.


Two suspects are in custody, and according to the sheriff's office, one is an adult male and the other a juvenile female. Suspects have been confirmed as students of STEM.

The STEM School educates 1,800 students in K-12 and is located off South Ridgeline Road and Plaza Drive.