New COPPA rules went into effect on July 1st. Edtech providers are going to have to be more careful about their interoperability. The rules now hold any service provider responsible not just for what data they collect about minors, but also what any application channeled through the service's interface collects.
We can expect that Google will be careful about what apps become available through channels like apps in drive, Google Play, and extensions through the Chrome store.
For a thorough legal review of the impact of the new COPPA rules, have a look at this blog post by attorney Jane Coviello.