essai

An AI writing tutor that mentors and marks student essays

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As generative AI makes writing text effortless, "essai" was built with the opposite philosophy: not to write for students, but to act as a rigorous human-like tutor that develops their own writing and critical thinking abilities.

Designed to prepare students for demanding exams such as NAPLAN and Selective High School placement tests, the platform uses AI to generate realistic exam prompts and deliver detailed, rubric-based inline feedback on the student's actual work.

Exam-Grade Prompts & Contextual Mentoring

  1. Realistic Test Generation: Selecting an exam tier (e.g., Selective High School Writing for Year 7 Entry) automatically generates a full exam scenario, specifying the target text type (diary entry, report, persuasive sheet) and strict time limits.

  1. Granular Inline Feedback: The AI analyzes the submitted essay sentence by sentence, pinning contextual annotations directly to the text. It flags subtle vocabulary issues (e.g., using "chirp" for a crow), catches nuanced dialogue punctuation rules, and suggests stronger hooks or similes.

  1. Official Marking Scheme Evaluation: Rather than vague encouragement, the system delivers structured scoring aligned with official test rubrics (e.g., Content, Form, and Style /30; Sentences, Punctuation, and Spelling /20) paired with actionable advice for next revisions.

An experiment born out of supporting my children's exam preparation, exploring how generative AI can be designed to foster genuine capability rather than shortcutting the learning process.