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Colorado mandatory test date for PSAT (sophomores) and SAT (juniors): Tuesday, April 13, 2020

SAT Prep Seminar


Doorway to College and Horizon High School are collaborating to offer juniors the following:

“Zapping the SAT” Online Test Prep Seminar 

Wednesday & Thursday, March 17th & 18th, 2021 from 5:30pm-8:00pm

For an opportunity to participate in this awesome two-day after school seminar, you must register online at or call 877-927-8378.

The cost of this two-day seminar is usually $129 – but Horizon is supplementing some of the cost for the first 100 students who sign up – so it will cost you only $44

Don’t pass up this great opportunity to get “prepped” for the SAT Test coming in April. 

Sign up for the seminar online at or call 877-927-8378.

You will learn:

  • How to handle each SAT question type to save time during the test
  • What to expect about the types and difficulty levels of questions
  • How to gain points even when you're not sure of correct answers
  • Effective time-management techniques
  • Specific techniques, strategies, and SAT study tips for each subtest
  • A plan for writing a high-scoring essay on any topic
  • How to effectively use study time in the days leading up to the test

ZAPS instructors are SAT test specialists. They are thoroughly trained in not only the topics covered in the ACT, but also on the ins and outs of taking the SAT test.

SAT Test Dates 2021

(For more information and to register for SAT tests, go to

SAT Date

Registration Deadline

Late Registration Deadline

Deadline for Changes

March 13, 2021

February 12, 2021

February 23, 2021 (for mailed registrations)

March 2, 2021 (for registrations made online or by phone)

March 2, 2021

May 8, 2021

April 8, 2021

April 20, 2021 (for mailed registrations)

April 27, 2021 (for registrations made online or by phone)

April 27, 2021

June 5, 2021

May 6, 2021

May 18, 2021 (for mailed registrations)

May 26, 2021 (for registrations made online or by phone)

May 26, 2021

Additional SAT Test Dates

August 28, 2021

October 2, 2021

November 6, 2021

December 4, 2021

March 12, 2022

May 7, 2022

June 4, 2022

ACT National Test Dates

Visit for more information and to register for tests.

National test dates are for the United States, United States territories, Puerto Rico, and Canada. If you have missed the late registration deadline for a test date, you may be able to request standby testing.

AP Testing Dates

2020 AP Exam schedule


Week 1

Morning 8 a.m.
Local Time

Afternoon 12 noon
Local Time

2 p.m.
Local Time

May 3, 2021

United States Government and Politics

Physics C: Mechanics

Physics C: Electricity and Magnetism

May 4, 2021

Calculus AB

Calculus BC

German Language and Culture

Human Geography


May 5, 2021

English Literature and Composition

Japanese Language and Culture

Physics 1: Algebra Based


May 6, 2021

United States History

Art History 

Computer Science A


May 7, 2021


Spanish Literature and Culture

European History

Physics 2: Algebra


Week 2

Morning 8 a.m.
Local Time

Afternoon 12 noon
Local Time

May 10,2021

French Language and Culture

World History: Modern


May 11, 2021


Spanish Language and Culture



May 12, 2021

English Language and Composition


Music Theory

May 13, 2021

Comparative Government and Politics

Computer SCience Principles


May 14, 2021


Italian Language and Culture

Chinese Language and Culture

Environmental Science

AP Art and Design (2-D Art and Design, 3-D Art and Design, and Drawing): May 20, 11:59 p.m. ET is the last day for your school to submit digital portfolios. Students should have forwarded their completed digital portfolios to their teachers well before this date.

*Dates via College Board.