As education shifts online, conducting fair and secure examinations has become a serious challenge for colleges and universities. I developed this Online Examination System to help institutions replicate a traditional, proctored exam environment—completely online—while ensuring real-time control, security, and ease of use.

This platform was designed to support large student batches, enable live monitoring, and protect exam data integrity, all while maintaining a smooth experience for both examiners and students.

Key Features

• Tab Activity Detection: Detects and logs when a student leaves the exam tab. This event is reported to the examiner in real time.
• Live Proctoring Interface: Integrated with Jitsi Meet. Examiners can view and hear all students live, while students remain isolated.
• Real-Time Messaging: Examiners can broadcast instructions using Socket.IO without page reloads.
• Bulk Uploads via Excel: Admins can upload batches of students and questions to streamline setup.
• Secure Answer Handling: All responses are validated server-side to prevent network-level data leaks.

Technology Overview

• React.js (Frontend): Built a responsive interface for students and examiners using component-driven architecture to manage live exam states.
• Node.js + Express.js (Backend): Developed REST APIs to manage sessions, authentication, question delivery, and secure answer validation.
• MongoDB (Database): Stored student records, exam questions, results, and activity logs using a flexible, schema-less structure.
• Socket.IO (Real-Time): Enabled low-latency communication for tab activity tracking and examiner announcements during exams.
• Jitsi Meet (Video Integration): Integrated secure video conferencing for live proctoring. Only the examiner sees all streams, maintaining student privacy.

Final Thoughts

This project was built to meet the real-world needs of colleges conducting exams remotely. It offers a structured, secure environment with features that mirror traditional invigilation while embracing modern web technologies.

Whether it's used for semester exams or quick assessments, this system ensures fairness, usability, and control in an online-first academic setting.

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