Specifications include, but are not limited to: The Board of Education (“Board”) of Douglas County School District 0001 (Omaha Public Schools) (“District” or “OPS”) invites proposals for Science Textbooks/Resources to be used in the District's Kindergarten through Fifth Grade (“K-5”) program and its Spanish/English Dual Language programs. The District is seeking Materials specified in the RFP Documents from qualified and experienced publishing firms that can provide science textbooks, teacher’s manuals, digital materials, readers, and associated resource materials (“Materials”). 3.1.2 Materials must incorporate evidence-based approaches, strategies, and resources so that all learners can access grade-level content. 3.1.3 Materials must incorporate multicultural education at all grades, including a balanced portrayal of demographics and characteristics represented throughout the District. 3.1.4 Materials should support a digital blended learning model, which includes instructional design where teacher-led instruction is enhanced with online learning. 3.1.5 Digital and online resources should be accessible to all learners including closed captioning and audio support. 3.1.6 The cost of the Materials as indicated in the Firm’s proposal shall remain the same as set forth in the proposal and shall not be increased by the selected Firm through the end of the 2023-2024 school year.