About this app
Study for the US CDL School Bus endorsement knowledge test. Original practice questions written from the publicly available FMCSA/AAMVA CDL manual School Buses section, with a clear explanation for every answer. WHAT YOU GET - Danger zones and mirror use, loading and unloading students, student crossing, railroad-highway crossings, emergency evacuation, and student management and safety. - A clear explanation for every question. - Timed practice tests that mirror the real endorsement test. - Progress saved on your device — no sign-up, works offline. ORIGINAL & SAFE Every question is written for this app from the public CDL manual. Nothing is copied from any real state exam, test pool or third-party question bank. FREE TO START Practice free, then a single one-time purchase unlocks the full question bank and unlimited timed tests — no ads, no subscription, no account. NOTE Unofficial study and practice app. Not affiliated with, endorsed by, or sponsored by FMCSA, AAMVA, any state DMV or any government agency. For learning only; does not guarantee passing any exam. Terms of Use (EULA): https://www.apple.com/legal/internet-services/itunes/dev/stdeula/ Privacy Policy: https://flysky-privacy.pages.dev
Latest release
What’s New
Thanks for studying with us! This update brings: - A redesigned home dashboard with your study plan and progress at a glance - Hundreds of new real practice questions with detailed explanations - A guided goal-setup so you know exactly what to study each day - Faster, more reliable mock exams We read every review — reach out any time.
Audience growth
Ratings growth
Baseline captured. Growth appears after the crawler observes a changed rating count.
Momentum comes from crawler snapshots for the tracked storefront. “Viral growth signal” means unusually fast recent rating gains; it is an indicator, not download data.
Price tracking
Price intelligence
First snapshot captured. The trend line starts after the next crawler price observation.
- First observed Aug 13, 2026 · 2:20 AM Free