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The Google Developer Student Clubs (GDSC) Solution Challenge is a hackathon-style event that encourages students to build innovative projects using Google technologies — all while solving real-world problems aligned with the United Nations Sustainable Development Goals (SDGs).
This year, I challenged myself to build something meaningful, something that could solve a real problem. I stumbled upon the Solution Challenge while scrolling through LinkedIn — and it instantly clicked. I brought together a passionate team, and we dived in.
? The Problem We Chose to Solve
Our project addresses the issue of overburdened teachers and the lack of personalized feedback in classrooms. Many educators — especially in under-resourced institutions — juggle large student batches, leaving little time for one-on-one feedback. This affects both the teaching quality and student learning experience.
Our goal was to create an AI-powered teacher assistant that automates grading and generates personalized feedback — helping educators save time and enabling students to receive constructive guidance tailored to their performance.
This directly aligns with UN SDG 4: Quality Education — ensuring inclusive and equitable education for all.
?️ The Solution: ClassMantra
We built ClassMantra, a web application designed for both teachers and students. The platform provides separate dashboards for each user type and leverages Google’s Gemini API to provide AI-generated feedback and grading.
?? Teacher Dashboard Features:
Frontend:
We integrated Gemini to analyze student answers and generate structured, question-wise feedback with scores.
? Team Collaboration & Challenges
Our team:
Initially, we faced coordination issues and time constraints — with college exams and submissions happening in parallel. But we pulled through. Communication improved, roles became clear, and with just 10 days left, we began full-time development.
What I Learned
This challenge helped me grow both technically and personally:
? Tech Skills:
It all started on March 26, 2025. We had just 10% of the work done with 2 days to go. College deadlines were piling up. We were drained and close to giving up.
Then, on March 28, just for fun, Jitendra opened the submission portal — and we saw that the deadline had been extended by 10 days. That moment felt magical. We celebrated — not because we were done, but because we were determined.
For the next 10 days, we gave it our all — late nights, debugging marathons, and pure focus.
On April 6, 2025, at 11:30 PM — just 30 minutes before the final deadline — we submitted ClassMantra. And it felt incredible. Regardless of the results, we were proud.
This journey taught me that sometimes, the reward isn’t just a win — it’s the growth, the teamwork, and the perseverance.
? Links
This year, I challenged myself to build something meaningful, something that could solve a real problem. I stumbled upon the Solution Challenge while scrolling through LinkedIn — and it instantly clicked. I brought together a passionate team, and we dived in.
? The Problem We Chose to Solve
Our project addresses the issue of overburdened teachers and the lack of personalized feedback in classrooms. Many educators — especially in under-resourced institutions — juggle large student batches, leaving little time for one-on-one feedback. This affects both the teaching quality and student learning experience.
Our goal was to create an AI-powered teacher assistant that automates grading and generates personalized feedback — helping educators save time and enabling students to receive constructive guidance tailored to their performance.
This directly aligns with UN SDG 4: Quality Education — ensuring inclusive and equitable education for all.
?️ The Solution: ClassMantra
We built ClassMantra, a web application designed for both teachers and students. The platform provides separate dashboards for each user type and leverages Google’s Gemini API to provide AI-generated feedback and grading.
?? Teacher Dashboard Features:
- Upload assignments with solutions and due dates by subject (e.g., Deep Learning, Compiler Design).
- Manage and delete existing assignments.
- View student submissions and AI-generated grading/feedback.
- Make announcements to students.
- View pending assignments across all subjects.
- See submitted assignments along with detailed feedback on each question — scored by accuracy, relevance, completeness, and an overall grade.
- Filter assignments by subject for easier navigation.
Frontend:
- React
- Material UI
- Firebase (Authentication + Firestore DB)
- Express.js
- Gemini API (Generative AI)
We integrated Gemini to analyze student answers and generate structured, question-wise feedback with scores.
? Team Collaboration & Challenges
Our team:
- Manas Patil (me) - Developer
- Jitendra Suthar – Co-developer
- Jatin Bendale – Design & Documentation
- Nirali Rana – Design & Documentation
Initially, we faced coordination issues and time constraints — with college exams and submissions happening in parallel. But we pulled through. Communication improved, roles became clear, and with just 10 days left, we began full-time development.
What I LearnedThis challenge helped me grow both technically and personally:
? Tech Skills:
- Used Material UI extensively to build the full UI.
- Worked with Firebase for auth, data storage, and real-time updates.
- Integrated Gemini API to automate grading and feedback generation.
- Team management under pressure
- Effective time management
- Fast-paced prototyping
- Improved collaboration and leadership
It all started on March 26, 2025. We had just 10% of the work done with 2 days to go. College deadlines were piling up. We were drained and close to giving up.
Then, on March 28, just for fun, Jitendra opened the submission portal — and we saw that the deadline had been extended by 10 days. That moment felt magical. We celebrated — not because we were done, but because we were determined.
For the next 10 days, we gave it our all — late nights, debugging marathons, and pure focus.
On April 6, 2025, at 11:30 PM — just 30 minutes before the final deadline — we submitted ClassMantra. And it felt incredible. Regardless of the results, we were proud.
This journey taught me that sometimes, the reward isn’t just a win — it’s the growth, the teamwork, and the perseverance.
? Links
- ? LinkedIn Post:
- ? Live Preview of ClassMantra:
- ? GitHub Repository: