ESRI has a free Spatial Analysis course that you can take online.  Here are a few more details:

• Hands-on exercises, short video lectures, quizzes, case studies and discussion
• You will be using ArcGIS Online’s full analytical capabilities
• 6 weeks, 2-3 hours of study per week
• Certificate of completion and prizes
• Course dates: September 1 to October 12, 2015
• Registration closes September 15

For more info and to register, visit their sign up page.