Overview
This IELTS Exam Simulator provides an end-to-end platform for realistic exam practice and automated assessment. Designed as a multitenant system, organizations and educational partners can provision branded simulators with isolated data and billing.
Key Features
• AI-driven Scoring : Uses OpenAI models for automated scoring of speaking and writing tasks with explainable feedback and improvement tips.
• Multitenant Architecture : Tenant isolation, configurable exam templates, and per-tenant analytics for schools and partners.
• Real-Time Proctoring & Analysis : Live audio/video capture, behavior analysis, and integrity checks during exams.
• Payment & Billing : Integrated with Stripe for subscription and one-time payments, per-tenant billing and coupon support.
• Notifications & Email : Resend integration for transactional emails (receipts, results, reminders).
• Practice Modes & Mock Tests : Full-length timed mocks, section-level practice, and performance dashboards.
• Admin Dashboard : Manage tenants, exams, candidates, and review AI-generated scores with human override.
Technologies Used
• Frontend : React for the candidate and admin interfaces
• AI : OpenAI for scoring, feedback, and conversational practice
• Backend : Express/Node.js for APIs and orchestration
• Database : Supabase for multitenant data models and real-time features
• Payments : Stripe for subscriptions and payments
• Email : Resend for transactional email delivery
• Storage : Cloud object storage for recordings and resources
Challenges and Learnings
• Fair and Explainable Scoring : Designing prompts and evaluation criteria to provide consistent, unbiased scoring and actionable feedback.
• Tenant Isolation : Ensuring data separation while allowing centralized administration and analytics.
• Low-Latency Recording Processing : Efficient pipelines for processing audio/video segments for scoring and proctoring.
• Regulatory Compliance : Handling PII, recordings, and payment data with proper encryption and retention policies.
Outcome
The system enables institutions to offer high-quality, scalable IELTS preparation with reliable AI-assisted scoring and robust operational tooling. Students get fast feedback, institutions get manageable billing, and admins keep full control over exam integrity and results.
Impact
• Deployed as a multi-tenant SaaS for language schools and test-prep providers
• Scaled to thousands of mock exams per month with secure recordings
• Reduced manual grading time by over 70% through AI-assisted scoring
Try it
Visit the demo or request tenant access to try full mock exams, review results, and explore admin features.
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