How many downloads does an iOS app need to get into the top charts in education?

Read also:

• Vandals slash tires on dozens of vehicles in West Michigan - MLive.com
• SpaceX launch from California sends 26 Starlink satellites into low Earth orbit - Space
• What are some common examples of human hypocrisy?
• Someone said that Japanese girls fly to Los Angeles all the time to have fun with black men. Is that true?
• Pain relief breakthrough as scientists discover a safer, non-addictive approach - Earth.com
• If Delta Force soldiers wanted to form a criminal gang, how dangerous would they be with all their equipment (explosives, rifles, vests, night vision goggles)?
• Milky Way has 50-50 chance of colliding with neighbor galaxy - NewsNation
• Watch: Netanyahu's First Remark After US Bombs Iran Nuclear Sites - NDTV
• Jessie J Diagnosed with ‘Early’ Breast Cancer: ‘I Need to Process It and Talk About It’ - Rolling Stone
• Assumenda assumenda cum ducimus iste enim eos dolores molestiae.
• Super Again: UNC Storms Past Oklahoma in NCAA Regional Finale - 247Sports
• Why do most atheists in debates with theists take Bible verses out of context much of the time? Are they lying maliciously or do they not understand theology enough to understand the meaning?
• What’s a historical event you wish more people talked about?