What Is the 400 School?
The 400 School, the industry leader in System i, iSeries and AS/400 technical training. Click here to learn more
Who Are Our Customers?
At The 400 School, we specialize in on-site instructor-led lab-style classes. Customization to meet your individual requirements is always a top priority for The 400 School. The 400 School provides training to many of the largest corporations and organizations in the world, as well as Federal, State and Local Government bodies. Click here for a partial list of recent customers.