The SEI offers all levels of training in the CMMI training courses it offers. SEI Partner organizations also offer SEI-approved official training. Find a Partner Organization and arrange for training with them directly.
You have an opportunity to complete feedback forms in every CMMI course offered by the SEI or a licensed Partner organization. In addition, you can submit change requests using change request forms or the comment form.
The only online training currently available is CMMI V1.3 Upgrade training . However, stay tuned. There are plans to provide other online training soon.