Building a Scalable College Feedback Analytics Portal Handling 25,000+ Responses

Colleges collect thousands of feedback responses every semester using Google Forms. Once the data crosses 20,000+ rows , Google Sheets becomes slow, hard to filter, and unreliable. I built Insight4Excellence , a production-ready feedback analytics portal that handles large Google Sheets datasets using server-side aggregation, caching, and a clean analytics dashboard . This post is useful if you are: Working with large Google Forms or Sheets datasets Building analytics dashboards Optimizing backend performance Interested in scalable system design 🚀 The Problem Google Forms + Sheets are great for data collection, but not for large-scale analysis: Sheets UI becomes slow with 20k+ rows No advanced filtering or aggregation Hard to compare departments, courses, or faculty Limited visualization options No security or role-based access Most importantly, frontend-only filtering does not scale . Pulling 25k rows into the browser just to filter or visualize them is inefficient and bad for perform