2024-2025 Assessment Data Release

Statewide releases include MAST Math & ELA (grades 3–8), Multi-State Alternate Assessment (grades 3–8, 11), Montana Science Assessment (grades 5 and 8), Alternate Montana Science Assessment (grades 5, 8, and 11), and 11th grade ACT scores.

The Montana Comprehensive Assessment System (MontCAS) is the suite of statewide assessments aligned with Montana's academic content standards to meet federal testing requirements. 

Click for a List of Upcoming Events & Important Dates

Follow links to register, join, or learn more about upcoming statewide assessment related events.
  • Thursday, January 1: The OPI is closed in observance of New Year's Day. 
  • Monday, January 5: WIDA ACCESS testing window opens (closes March 6)
  • Monday, January 12: MAST Window #2 opens (closes March 6)

Click for a List of Upcoming STC Deadlines

View the upcoming deadlines for System Test Coordinator (STC) tasks for all statewide assessments. 
  • January 5, 2026: WIDA ACCESS testing window opens. 
  • January 9, 2026: STC submits non-participation reports for DLM ELA/math Fall Window
  • January 9, 2026: STC reports all testing incidents for DLM ELA/math Fall Window.
  • January 12, 2026: MAST Testing Window #2 opens. 

 

Quick Links


STC Checklist

System Test Coordinators can check here weekly for an up-to-date list of timely tasks. Click the tab for a list of tasks for each state required assessment. 

Updated: December 29, 2025 

Required Statewide Assessments

The primary purpose of assessment in Montana is to serve learning. Statewide assessments provide insight into student learning in core subjects and English language proficiency while fulfilling state and federal requirements.

Required for All Statewide Assessments

►  Report instances of non-participation in the MontCAS Application after each testing window closes. See the MontCAS Test Security Collection Schedule for the submission window deadlines for each testing window. 

►  Report testing incidents in the MontCAS Application as they occur throughout the school year. The MontCAS Application User Guide has step-by-step instructions for entering incidents. 

►  Request non-routine accommodations for all statewide assessments in the MontCAS Application at least 2 weeks prior to planned testing. The MontCAS Application User Guide has step-by-step instructions for requesting non-routine accommodations. 

►  Bookmark the MontCAS Test Security Collection Schedule for 2025-2026. This schedule includes all tasks with deadlines for all statewide assessments. 

MAST Assessment

**Window 1 has closed. Window 2 opens January 12, 2026. 

Create and maintain user accounts. 

► Prepare student testing devices. 

Roster students.

  • All students should be rostered to a teacher for both math and ELA.

Enter student PNPs.

► Share 2024-2025 Student Score Reports with Parents/Guardians. 

  • Districts can download and customize this OPI Score Report Letter template to include alongside the score report to meet ESSA requirements for notifying parents of student scores.

  • Watch the Focused Support Video "Accessing and Utilizing MAST Score Reports" (about 16 minutes) - VIDEO - Presentation Slides

DLM Alternate ELA/math

Fall Window is closed. Spring Window opens February 2, 2026.

Ensure all alternate students in Grades 3-8 and 11 are administered the required testlets in ELA and math. 

Ensure IEP/504 Plans for alternate students are updated with new assessment names. 

Create and maintain user accounts. 
  • Authorized Representatives and STCs have been given district level access in the Kite Educator Portal and are responsible for creating and maintaining user accounts.

Assign required training to all staff who will be administering the alternate assessments. 
 
Review the following Focused Support Videos for Topics on Getting Started in the Educator Portal: 
 
 

DLM Alternate Science

Ensure IEP/504 Plans for alternate students are updated with new assessment names. 

► Watch the recorded webinar for an introduction to DLM Assessments. Share with staff in your district who may benefit, such as Special Education partners. 

Introduction to DLM Assessment Webinar Recording

Montana Science Assessment

Montana Science Assessment testing window opens March 2, 2026. 

ACT with Writing

Request Accommodations and English Learner Supports in TAA for testing in all windows. Deadlines for submitting the requests: 

  • Window 1 deadline: February 11, 2026
  • Window 2 deadline: February 25, 2026
  • Window 3 deadline: March 11, 2026
► Students have been uploaded to PANext. Users can verify student lists. A second upload will occur in early February. 

WIDA ACCESS / WIDA Screener

Prepare for the WIDA ACCESS testing window: January 5-March 6, 2026

 Plan training for TAs. Training courses have been updated for WIDA ACCESS, Kindergarten ACCESS, and WIDA Screener. 

  • These courses are required for the 2025-2026 school year regardless of past training. 

 Throughout the school year, continue to screen newly enrolled students for whom the Home Language Survey indicates screening. Mark EL students appropriately in Infinite Campus to ensure they are uploaded to the WIDA AMS.

NAEP (National Assessment of Educational Progress)

Schools selected to participate in NAEP 2026 have been notified. 

Montana Aligned to Standards Through-Year Assessment (MAST) - ELA and mathematics assessment administered to Grades 3 through 8.

Montana Science Assessment (MSA) - Science assessment administered to Grades 5 and 8.

ACT with Writing (ACT) - ELA, mathematics, and science assessment administered to Grade 11 (high-school requirement).

DLM Alternate ELA/Math Assessments (DLM ELA/math) - ELA and mathematics assessments administered to Students with Significant Cognitive Disabilities (SwSCD) in Grades 3 through 8 and 11.

DLM Alternate Science Assessment (DLM Science)- Science assessment administered to Students with Significant Cognitive Disabilities (SwSCD) in Grades 5, 8, and 11.

WIDA ACCESS - English Language Proficiency assessment for English Learners (EL) administered to ELs in Grades K through 12. 

Alternate ACCESS Assessment (Alt ACCESS)- English Language Proficiency assessment for English Learners (EL) administered to ELs with significant cognitive disabilities in Grades K through 12.

National Assessment of Educational Progress (NAEP) - Also known as the Nation's Report Card, NAEP is administered only in selected schools to students in mathematics and reading in Grades 4, 8, and 12.


 

 
 
 


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