DENVER, Feb. 18, 2026 /PRNewswire/ -- Collaborative Classroom is proud to announce that the Colorado Department of Education has approved Collaborative Classroom's SIPPS®, Fifth Edition curriculum for ...

ALAMEDA, Calif., Jan. 7, 2025 /PRNewswire/ -- Collaborative Classroom, a leading nonprofit publisher of K–12 instructional materials, announces the publication of SIPPS®, a powerful systematic ...

program to its list of approved evidence-based reading intervention programs. This decision underscores Ohio's commitment to advancing literacy education through the implementation of research-based ...

TOPEKA, Kansas, Sept. 25, 2024 /PRNewswire/ -- The Kansas Department of Education has reaffirmed its commitment to advancing literacy education by reconfirming Collaborative Classroom's SIPPS ® ...