Built by students, for students
We'vebeeninyourshoes.
So we built the prep we wished we'd had.
Great prep shouldn't depend on
who you can afford.
Great prep for every applicant, whatever their budget.
The problem
Expensive, scattered, silent
Coaching costs thousands. Free resources rarely tell you how you did.
Prep before Sandbox
4 gapsPrivate coaching$2,000–$10,000
Forum question listsNo feedback
Mock with a friendOnce, maybe
Practising in your headNo timer
What we built
Real practice, real feedback
Real timed practice, a score on every answer, model answers and peer feedback.
Prep with Sandbox
3
3rd quartile
Scenario 4 · Typed response · 2:48 used
Empathy84
Communication77
Model answerPeer feedback
Four principles behind
everything we build.
They shape every scenario we write and every feature we ship.
Practice that feels real
Timers and follow-ups that mirror test day.
Feedback you can act on
A score, what to fix and a model answer.
Real people, not just AI
Peers catch what an algorithm misses.
Prep for every budget
A fair shot shouldn't cost thousands.
AI-Powered Analysis
Powered by Sandbox Intelligence
Our AI analyzes every response across 6 competency dimensions and delivers feedback in seconds—not days.
Expert-curated scenarios
Trained on real responses
6 competency dimensions
50+ schools covered
Empathy
Communication
Ethics
Critical Thinking
Professionalism
Collaboration
Careers
Build Sandbox with us.
Creators, ambassadors and builders making admissions fairer.
See 9 open roles