These organizations support comprehensive sexual health education and provide great resources for advocating in your community.
Advocacy Organizations 

ACLU
Planned Parenthood of the Rocky Mountains
Center for Reproductive Rights
Western States Center
Colorado Organization for Latina Opportunity and Reproductive Rights
NARAL Pro-Choice Colorado
Colorado Religious Coalition for Reproductive Choice

Colorado  Sexual Health Education Resources

Trailhead Institute

COSHI

National Sexual Health Education Resources

Advocates for Youth

Healthy Teen Network

SIECUS

The Responsible Sex Education Institute

Media Organizations

The Denver Post
Chalkbeat
A+ Colorado