Apparently that is normal, and the way they have it setup. The forum add-on vBadvanced was abandoned in 2014. I've asked about it and they are applying "user patches". The vBulletin version they are running ( vBulletin 3.8.8 ) also is unsupported.
https://observatory.mozilla.org/analyze/www.skoolie.net
Xenforo 1.0 was launched 2011, and 2.0 in 2017.<snip>
plan to move to another platform (probably Xenforo) in the coming year but there is pain associated with a change and so we are moving cautiously. Xenforo is still a young platform and we've been waiting for a bit more robust (and well tested) platform.
<snip>
Xenforo 1.0 was launched 2011, and 2.0 in 2017.
Why not use something that is open source and designed for modern devices, such as Discourse? https://www.discourse.org/