Clifton College Earns a 73 Proof of Usefulness Score by Building an AI-Powered Conversational Knowledge Layer Post date April 17, 2026 Post author By Usefulness Reports Post categories In ai-search, algolia, algolia-ai-search, clifton-college-ai-search, conversational-search-ai, edtech, graphrag-search-systems, proof-of-usefulness-hackathon