Skip To Main Content

Toggle Close Container

Contact Nav

Mobile District Home

Translate

Schools Canvas BTN - Mobile

Form Canvas BTN - Mobile

Utility Nav Mobile

Mobile Main Nav

Header Holder

Header School Name

Toggle Menu Container

Header Right Column

Header Right Top

Contact Nav Desktop

Desktop District Home

Translate

Header Right Bottom

Schools Canvas BTN

Form Canvas BTN - Global

Utility Nav Desktop

Canvas Menus Container

Schools Canvas

Close Schools Canvas

chandler unified Schools

chandler unified Schools

Form Canvas - Global

Close Form Canvas

Information Form

Required

Supporting Text
Supporting Text
Supporting Text
Placeholder Text

Form Canvas Homepage

Close Form Canvas - Homepage

Interest Form

Required

Supporting Text
Supporting Text
Supporting Text
Placeholder Text

More

Breadcrumb

ACT/SAT National Testing Dates

Casteel High School CEEB Code: 030820


2025-2026 ACT Test Dates (National)

Register for ACT Test:  https://www.act.org/content/act/en/products-and-services/the-act/registration.html

*Juniors will take the ACT during the school day on April 10, 2025. They do not need to register here.  This is for taking the test outside of our school day administration.
 
Test Date Regular Registration Deadline Late Registration Deadline
Late Fee Applies
Photo Upload & StandbyDeadline
September 6, 2025 August 1 August 19 August 29
October 18, 2025 September 12 September 30 October 10
December 13, 2025 November 7 November 24 December 5
February 14, 2026 January 9 January 23 February 6
April 9, 2026 March 6 March 24 April 3
June 13, 2026 May 8 May 29 June 5
July 11, 2026 June 5 June 24 July 3

 


2025-2026 SAT Test Dates & Registration Deadlines

Register for SAT Test:  https://collegereadiness.collegeboard.org/sat/register

Parent/Guardian's Guide for Getting Your Teen Ready for the SAT

Digital Practice Quick Start Guide

CollegeBoard/Khan Academy Digital SAT Test Prep

*Casteel High School does not offer the SAT. When you register for this test, you can choose a nearby high school as the testing center that best fits your needs.
 
Test Date Registration Deadline Deadline for Changes, Regular Cancellation & Late Registration 
August 23, 2025 August 8 August 12
Sept. 13, 2025 August 29 Sept. 2
Oct. 4, 2025 Sept. 19 Sept. 23
Nov. 8, 2025 Oct. 24 Oct. 28
Dec. 6, 2025 Nov. 21 Nov. 25
March 14, 2026 Feb. 27 March 3
May 2, 2026 April 17

April 21

June 6, 2026 May 22 May 26