What are the milestones to appear on the Leaderboard?

What are the milestones to appear on the Leaderboard?

Once the 1st level Challenge has been completed, your child can work towards entering the leaderboard.
The National Read-Aloud Challenge Leaderboard Milestones are:

read aloud for an EXTRA 20 minutes
complete 5 EXTRA books
achieve at an ADDITIONAL 10 stars before the end of the challenge period.

All these milestones need to be completed to enter the Leaderboard.