It would be helpful to set up a way within the app for parents and office management to communicate privately, without those messages being visible to teachers. This would allow parents to reach out directly to the office with billing questions, concerns, or confidential matters, and for management to respond, all while keeping these conversations separate from teacher communication.
For example, you could create a dedicated “Office Chat” thread that's only visible to parents and admin. This would streamline communication and help ensure privacy where needed.