Specifications include, but are not limited to: Provide Pre-K – 12th grade Professional Development /Services and Support Materials, as applicable, related to Mathematics, Science, Language Arts, Special Education and Social Studies. Support materials include but are not limited to: testing materials, digital copies, software/online resources, teaching tools, workbooks, study guides, books, training consultants, and other professional learning services and support materials. Also include support materials to address the needs of all diverse learners to include, but not limited to, English Language Learners, Special Education, Dyslexia, Pre-Advanced Placement, Advanced Placement and advanced learning for GT students. Specific requirements applicable to listed disciplines 1. Science – which supports instruction for all learners inclusive of English Language Learners, Special Education Learners and at -risk students that allow depth of understanding in all areas as specified on Texas Essential Knowledge and Skills (TEKS) or appropriate state guidelines. 2. Mathematics – which supports instruction for all learners inclusive of English Language Learners, Special Education Learners, and at-risk students that allow depth of understanding in all areas as specified on Texas Essential Knowledge and Skills (TEKS) or appropriate state guidelines. Additional professional development to best support mathematics includes research based instructional practices, strategies and techniques in mathematics and technology integration to maximize instruction and student learning. 3. Social Studies – which supports instruction for all learners inclusive of English Language Learners, Special Education Learners, and at-risk students that allow depth of understanding in Social Studies based on the Social Studies Texas Essential Knowledge and Skills (TEKS).