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Colorado mandatory test date for PSAT (sophomores) and SAT (juniors): Tuesday, April 11 2019 


SAT Prep Seminar


Doorway to College's “ZAPS SAT Test-Prep Seminar" will be coming to Horizon on March 20th (1:00-3:30pm) &  March 21st (3:00-5:30pm)

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

The cost of this two-day seminar is usually $129 – but Mrs. Brady will be paying $85 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 ACT Test coming in April. Please see the attached flyer for more details.

For more information or questions, see Mrs. Neumann in Counseling.


2018-19 SAT Administration Dates and Deadlines

SAT Date

SAT Subject Tests Available

Registration Deadline

Late Registration Deadline

Deadline for Changes

March 9, 2019


Learn more

SAT Subject Tests not offered on this date

February 8, 2019

February 19, 2019 (for mailed registrations)

February 27, 2019 (for registrations made online or by phone)

February 27, 2019

May 4, 2019


See SAT Subject Tests available on this date

April 5, 2019

April 16, 2019 (for mailed registrations)

April 24, 2019 (for registrations made online or by phone)

April 24, 2019

June 1, 2019


See SAT Subject Tests available on this date

May 3, 2019

May 14, 2019 (for mailed registrations)

May 22, 2019 (for registrations made online or by phone)

May 22, 2019

ACT National Test Dates

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.

2018-19 ACT Test Dates & Registration Deadlines

Test Date

Registration Deadline

Late Registration Deadline

Complete Score Release**

February 9, 2019*

January 11, 2019

January 12-18, 2019

February 20 - April 5, 2019

April 13, 2019

March 8, 2019

March 9-25, 2019

April 23 - June 7, 2019

June 8, 2019

May 3, 2019

May 4-20, 2019

June 18 - August 2, 2019

July 13, 2019*

June 14, 2019

June 15-24, 2019

July 23 - August 26, 2019

AP Testing Dates

2019 AP Exam schedule

Week 1

Morning 8 a.m.
Local Time

Afternoon 12 noon
Local Time

May 6, 2019

United States Government and Politics

Chinese Language and Culture

Environmental Science

May 7, 2019


Spanish Language and Culture

Japanese Language and Culture

Physics 1: Algebra-Based

May 8, 2019

English Literature and Composition

European History

French Language and Culture

May 9, 2019


Spanish Literature and Culture

German Language and Culture 


May 10, 2019

United States History

Computer Science Principles

Physics 2: Algebra-Based

Studio Art – last day for coordinators to submit digital portfolios (by 8 p.m. ET) and to gather 2-D Design and Drawing students for physical portfolio assembly. 

Teachers should have forwarded students’ completed digital portfolios to coordinators before this date.

2019 AP Exam schedule

Week 2

Morning 8 a.m.
Local Time

12 noon
Local Time

2 p.m.
Local Time

May 13, 2019


Physics C: Mechanics

Physics C: Electricity and Magnetism

May 14, 2019

Calculus AB

Calculus BC

Art History

Human Geography

May 15, 2019

English Language and Composition

Italian Language and Culture


May 16, 2019

Comparative Government and Politics

World History


May 17, 2019


Music Theory

Computer Science A


*Dates via College Board.