Evaluate If the Following Scenario Would Give Rise to a Proper

Evaluate if the following scenario would give rise to a proper constitutional claim, based on the factors required to bring a constitutional claim. Conclude as to whether or not you think the claim would be successful.
A high school coach and teacher wants to bring a constitutional claim against their employer (a public high school) claiming a violation of his Constitutional rights when the school passed a policy requiring coaches to deactivate all personal social media accounts during their athletic seasons.