You can more precisely set the center of your location by walking around your class with your own phone. Here's how:

Setup

1. Install the Youhere app on your phone and join the class:
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2. After joining, identify yourself as the class owner:
3. Click this button to initialize this location process: Initialize

On location

1. Physically go to the needed location with your phone.
2. Bring up the Youhere app and start moving around your location. Moving in a path along the extremes is best.
3. As you move, tap "Check me in" on the app at about 10 different locations.
4. Ignore any messages the app tells you about being 'here' or not, etc.
5. Just keep moving and tapping to check in.

Finish up
Come back to this window and click the "Set from location" button.

You got it! That's how you set up a check-in event.

If you want to proceed, you'll need to make an account, so your check-in information, and app check-ins from your participants can be saved.

This check-in mode uses the location abilities of a phone to verify a person's presence at check-in time.

Such location abilities rely on GPS, Wifi signals, and cell-tower locations, which are most reliable outside. So, your group should really have a clear view of the sky when they check-in.

We have a dedicated inside check-in method here.

You can try using the map-based method for indoor check-ins (many of our customers do!), but likely 5-10% of your group will not be able to check-in. Their phones will report "too far away." It all depends on the type of building you're in and what may be around you, so be prepared to do some manual check-ins.