CDT and Firefly Information for 2026-2027

Classroom Diagnostic Tools (CDT) Windows

• August 24, 2026 – June 11, 2027
  • Reading, Writing, and Mathematics (Grades 3-8)
  • Algebra I, Algebra II, Geometry, Biology, Composition, and Literature
• October 14, 2026 – June 11, 2027
  • Science (Grades 3-8) and Biology (opens later due to the standard setting process)

Firefly Windows

• October 5, 2026 – April 16, 2027
  • ELA and Mathematics (Grades 3-8); Science (Grades 5 and 8)
• October 5, 2026 – May 7, 2027
  • Algebra I, Biology, and Literature

Firefly Seasons

• Fall Season: October 5 – November 29
• Winter Season: November 30 – February 28
• Spring Season: March 1 – April 16/May 7

A Few Additional Firefly Notes:

• Testing tickets open for a 48-hour window; District or School Assessment Coordinators (DAC/SAC) can unlock tickets beyond that window, if needed.
• Students answer questions across all reporting categories; we cannot divide these into smaller sections due to predictions.
• Students must complete the full assessment to receive a score.
• Starting in 2026-27, Science and Biology Individual Student Reports (ISRs) will include predictions.