Education / EdTech · Case study

Scaling K-12 test prep from 350K to 800K+ students

Modernized the platform behind a K-12 essay-scoring service so it could scale from 350,000 to more than 800,000 students without breaking.

The problem

The platform that scored student essays was straining under growth. To win bigger contracts it had to more than double its load — but the aging system couldn’t take it:

Performance buckled as volume climbed
Scaling further risked accuracy and reliability
Bigger contracts were out of reach until the platform could keep up

What we built

We modernized the application and the data underneath it:

Re-architected the platform to ingest, score, and report at far greater scale
Hardened the data pipeline so accuracy held as volume grew
Built for headroom, not just the next contract

The result

Scaled from 350,000 to over 800,000 students — 2.3× growth
Held accuracy and reliability through the jump
A platform built to keep going as the service grows

What we shipped

Inside the build.

Scaling K-12 test prep from 350K to 800K+ students — product screens

I’ve spent my life in IT and software development. You guys absolutely get it — you put people first, you always deliver exactly what we need, even if it’s not what we say we need, and you get it done right the first time.

— Ben Girard, CTO & CIO, Write Score

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