http://www.cisco.com/web/learning/netacad/index.html- From here you can get Packet Tracer and all the other software to help you along your CISCO journey once you have a user name and password.
Or through a provider such as TAFE as they now are being implemented in certain IT course levels- i.e.
Cert 3 Information technology offers- CISCO IT Essentials (Comptia A+) and Windows 7 training.
Cert 4 Information technology general offers- Comptia Networking +
Diploma Information technology general offers- some of the CISCO CCNA
Advanced Diploma in Computer Systems Administration- Offers CISCO working for small business, CISCO CCNA and some other one that I can't remember the name of.
The site above is where I done the majority of mine, however I was registered in a class group. I don't know whether you can register as an individual or not!