I was wondering if it was possible to increase the frequency of aclcheck.

I found http://www.novell.com/coolsolutions/tip/7815.html

But this seems to mainly speak of reducing the frequency.

Would load aclcheck.nlm /b0.5 force it to check every half hour?

We use a program to charge/monitor/restrict internet in our school and the
default one hour aclcheck allows students to sneak under the radar between
the one hour check.