I am not able to turn off my location services!

How to turn Location Services on or off for specific apps

1. Go to Settings > Privacy > Location Services.
2. Make sure that Location Services is on.
3. Scroll down to find the app.
4. Tap the app and select an option: Never: Prevents access to Location Services information.

Turn Location Services and GPS on or off on your iPhone, iPad, or ...

https://support.apple.com/en-us/HT207092

If you are not able to do this.

Check your Screen Time Settings

Check if your iPhone is managed by your School Managment / Organisation / Enterprise