Apple Classroom - Students show up, but as "offline" in the teachers classroom console

Bluetooth on?

Yes. I've made sure that airplan mode is OFF and Bluetooth is ON. I think it's something deeper in either the configuration profiles or a Securly SMART Pac.

I see that on a regular basis... most likely that the user didn't restart his device for quite a while... just long press the Home button and the On Off Switch until you see the white Apple on a black background. Most of the time, Classroom just work fine after

Are your classes being managed by Jamf, or are they adhoc? I have seen this issue several times with our managed classes, it has always been due to the teacher's name changing which causes the EDU profile to be removed from the device.

The roster data is still tied to their old username, so I have to unassign the device from the new user and delete the user that does not have the roster data. Then, rename the old user with the roster data so that it shows their correct new name and username and assign the device to the renamed user.

On the next inventory update, the device pulls the EDU profile again and their students show online.

Thank you all for the responses. The issues ended up being more of a networking issue than a configuration one. I have several SSID's being pushed out by my Access Points, with slightly different security, QoS, bandwidth, etc, settings on them. The simple solution to my problem was to ensure that my teacher's iPads were connected to the same SSID as my student's iPads. (even though the SSID's are on the same VLAN, Subnet, and IP range. I digress)

Thank you all again! Much appreciated.

Ours are all on the same SSID and Vlan same security specs... still offline. All classes Bluetooth and wifi certified still offline. The strange thing is that I have 3 teachers assigned that class all three see different students off and on line ??? We validated all in "Clearpass" all the same config and all students config the same... definitely a JAMF PRO issue ... JAMF support has no clue ....

I'm seeing a similar thing and have a ticket open with Apple.

I've instructed my teachers to open settings on the offline student's iPad and tap on classroom, usually they then connect. 

with the students that show as offline being random and not easily reproduced it's been difficult to troubleshoot.

I had been having this issue for 2 years.  Before, you needed Jamf as a Middle Man. Things have changed and ASM can now communicate directly with iPads and Macs. I decided to remove Jamf, and just use Apple School Manager to manage my Classes.  Wow, everything just works as it supposed to now.  Teachers can even add and remove their own students or create their own classes.

That stand alone of Apple Classroom has always been available BUT does not have all the functionality of JAMF Teacher r JAMF Classes .... 

I am having a similar issue. When the Classroom App is opened on iPad, all students are online. When opened on Mac - all offline. They are all on the same wifi, Bluetooth is on. 

I have ASM synced to PS with Claris Connect, and Jamf Pro synced with ASM. I am getting conflicting information between Jamf and Apple.

I am still looking for a solution.