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  • Contact Information:

    If you need to contact me, please email me at hans.lehman@casdonline.org or call me at 717-261-5656  and leave a message with the secretary.  I will return your call as soon as possible.

     Mr. Lehman



  • I teach Algebra 2, Pre-Calculus, and Computer Programming.

    You must have iTunesU installed on your iPad to add my course to your iPad in iTunesU.  See Mr. Lehman if you need the iTunesU code