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Summer School

Phone: 720-972-4172

High School and Middle School Summer School is available in Adams 12 Five Star Schools. See below for more info.

For any questions or information, contact the Summer School Principal, Alison Helfand, at 

High School Summer School

Starting May 11th, families and students can register for High School Summer School using an online registration form.  Further information regarding Summer School and how to sign up will be sent out to families and can be found here. 

High School students can take one semester 1 course and/or one semester 2 course in order to recover any credits they may have not passed during the school year. Students need to have attempted the course during the regular school year in order to take the course in Summer School. Summer School runs on a pass/unpass system. Students must pass a course in order to earn credit.  

Registration closes at noon on June 1st, 2022. 

Information about High School Summer School: 

  • Location: Thornton High School
  • Dates: June 6-July 1, 2022
    • Session 1 (Semester 1 Courses): June 6-June 17
    • Session 2 (Semester 2 Courses): June 20-July 1
  • Times: 8:00-12:30 
  • Cost: Free
  • Transportation: 
Session 1 (Semester 1) Course Offerings Session 2 (Semester 2) Courses Offerings
English 9 English 9
English 10 English 10
American Lit and Comp American Lit and Comp
English 12 English 12
US History US History
World History World History
US Government Economics
Integrated Math 1 Integrated Math 1
Integrated Math 2 Integrated Math 2
Integrated Math 3 Integrated Math 3
Biology Biology
Chemistry Chemistry
Lifetime Fitness Healthy Choices

For any questions or information, contact the Summer School Principal, Alison Helfand, at 

Middle School Summer School: 8th Grade Only

Registration for Middle School Summer School will be by recommendation only from schools.

The focus for Middle School this year will be Math and ELA.  Students will split the day between the two contents. If your child is in need of both Math and ELA prior to the next school year, Summer School will be a good option. 

Information about Middle School Summer School: 

  • Location: Horizon High School
  • Dates: June 7th-July 2nd, 2021
  • Times: 8:00-12:30 
  • Cost: Free

If you are interested in a Summer School option for your child, please reach out to your school's counselor. All registration will be online this year and will be completed by a counselor.