On the Parkour Academy map, as you already understood from its name in the MCBE, the parkour academy is implemented. Here are collected some very informative training rooms, with various blocks and devices.
You can learn a lot about Minecraft BE at these three map levels. In addition to the usual jumps in MCPE, you will gradually master unusual skills. How about a jump in Minecraft PE with a 360-degree turn? You can learn many, many jumping skills in Minecraft PE here.