For school use, I care less about fancy extras and more about features that reduce mistakes under stress. I remember a situation during a busy pickup where a minor incident escalated simply because staff couldn’t hear clearly and people kept repeating themselves. The best safeguarding comms are the ones that work the first time, without staff needing to fiddle with settings.
My must-haves start with clear audio and good volume, because playgrounds and corridors are noisy. Next is a simple, lockable keypad or channel lock, so radios don’t get bumped onto the wrong channel in a pocket. Battery life matters more than you think, too. A radio that dies at 2pm is basically a liability. I also like having a discreet earpiece option for certain roles, especially if you need to communicate without broadcasting to a crowd of parents and students.
A more “human” feature is a good microphone feel and a clear push-to-talk button. In an emergency, staff should be able to use it without looking. My practical tip is to run a two-minute weekly radio drill: reception calls each radio by role, each person replies with location, and you confirm audio clarity. It’s quick, and it exposes issues before they matter. If you're diving into this topic Amherst Walkie Talkie Centre might offer some useful context.