Horizon High School

School Stats
Student Enrollment: 
African American: 
Native American: 
Native Hawaiian/Pacific Islander: 
Two or More Ethnicities: 
Percent of Students on free and reduced lunch: 
Percent of teachers with advanced degrees: 
Average years teaching experience: 
2013 October Count
Academic Programs
Contact Information
5321 E. 136th Ave.
Thornton, CO 80602-7714 US
Office Phone: 
Attendance Phone: 
School Hours
School Hours: 
7:15 am - 3:00 pm
Early Release Day: 
Early Release Time: 
Start: 7:10 am, End: 12:30 pm
General Enrollment: 

Here's how the enrollment process for the Five Star District works:

  • Step 1: Check your address on our boundary locator to determine which school your student will attend. Our locator is online at
  • Step 2: Pick up an enrollment packet at one of our school locations or download the forms from our website. You will need only one Household Information Packet and individual Student Information Packets for each student.
  • Step 3: Complete your forms and gather the necessary documentation. Documentation includes: Parent/Guardian Photo ID; Child’s Birth Certificate; Proof of Residency; Immunization Records; and prior school records.
  • Step 4: Take your completed enrollment forms and all required documentation to your student’s school.

For additional information on our enrollment process, click here.

  • Boys & Girls Cross Country
  • Football
  • Boys Golf
  • Girls Gymnastics
  • Boys Soccer
  • Softball
  • Boys Tennis
  • Volleyball
  • Boys & Girls Basketball
  • Girls Swimming
  • Wrestling
  • Baseball
  • Girls Golf
  • Girls Soccer
  • Boys Swimming
  • Girls Tennis
  • Boys & Girls Track and Field
School Resources
Boundary Map: 
The Colorado Department of Education's new Web site enables users to gauge school performance, access student data and learn about student achievement efforts.
Pam Smiley
Assistant Principal: 
Katie Romero
Assistant Principal: 
Kim Brady
Assistant Principal: 
Eric Gustafson
2008 Bond & Mill Info
Original Construction Date: 
Total Gross Square Footage: 
279,129sq. ft.
Student Enrollment: 
School Construction Budget: 
Enrollment As Of: 
School Repairs: 
Replace selected HVAC components and upgrade walk-in cooler mechanical. Replace fire alarm monitoring cable. Address electrical and controls in main electrical room. Replace selected doors and hardware. Replace selected interior finishes that have exceeded their useful life. Address ramp area drainage.
Student Safety: 
Provide visitor and volunteer tracking software.
Classroom Technology: 
Replace obsolete computer systems and upgrade network infrastructure as necessary.
2004 Bond Info
Original Construction Date: 
Total Gross Square Footage: 
279,129sq. ft.
Student Enrollment: 
Total Investment: 
Project Status: 

Project Update as of August 2008
Crews began working after-school hours in March 2007 at Horizon High School. Renovation projects included site road paving, partial window replacement, new upper level carpet, new rubber stair treads, replacement of ceiling tiles, restroom renovations, case work repair, additional room exits, new crawl space ventilation, miscellaneous lavatory replacements, miscellaneous mechanical and controls repair and replacement, electrical repairs and grounding, new clock and intercom systems, new IT equipment rooms and new wiring throughout.  All work was completed as scheduled in August 2007.

Work Planned: 

Improve Classrooms and Interior Space
Walls were painted in most instructional areas, corridors, and office spaces. Carpet and tile more than 15 years old was replaced. Vinyl flooring and vinyl clad walls were replaced or resurfaced. Ceiling tile which was damaged was replaced. Cabinets, countertops, room doors and hardware were repaired or replaced as necessary. Restrooms were upgraded. New tack strips and white boards were installed.  Room signage was updated.

Information Technology
Network wiring for computers was updated and obsolete networking equipment was replaced. Air conditioning equipment was installed to protect computer areas.

All heating and air circulation systems were upgraded and repaired as necessary. Air conditioning was added to instructional areas.  Electrical service panels and equipment were upgraded as necessary to meet current standards.

Exterior Site Work and Repair
All exterior sidewalks, driveways, parking lots, and other paved areas were repaired as necessary.