AssignOwl’s Score is an AI-powered grading tool for students. It analyzes essays and dissertations against the actual marking rubric, providing a predicted grade classification and specific, actionable fixes to improve the work before submission. It is deliberately stricter than most examiners to prepare students for real results. The tool supports various subjects and includes an AI-writing check to ensure authenticity. Trusted by over 12,000 students, it has demonstrated high accuracy against professor marks at top UK universities.