[Answer]-DjangoCMS Sekizai {% render_block "js" %} disable usage of jQuery

A quick glance at the bootstrap source tells me they check for jQuery, not $. Try changing your <script>$ = CMS.$</script> to <script>jQuery = CMS.$</script>.

However, be aware that the CMS jQuery will only be loaded if the toolbar is active, as in, only for logged-in staff users.