The State of Delaware Department of Education, seeks professional services to design, develop, and implement innovative science and/or social studies assessment items and forms aligned with our vision of balanced assessment. Assessment items and forms are intended to measure student learning of the Next Generation Science Standards (NGSS) and/or the Delaware Social Studies Content standards. This request for proposals (“RFP”) is issued pursuant to 29 Del. C. §§ 6981 and 6982. Introduction: This RFP seeks proposals from qualified bidders to develop and collaboratively deliver NGSS Science Summative and/or Social Studies Through Year and Summative assessments. The goal is to partner with vendors experienced in assessment development, aligned with educational standards. The selected bidder will work closely with an external operational or platform provider to deliver high-quality assessments. The scope includes test question development, formats, and digital delivery methods. Bidders are invited to submit proposals for science development, Social Studies development, or both. Proposals should underscore a strong commitment to collaborative efforts, maintaining high standards of quality, and ensuring alignment with the specified