You would be employed for the W2 income, ans self-employed for the 1099-MISC income. For the part-time teaching, you would have to complete a Schedule C and pay self-employment tax, but you may also be able to deduct expenses related to the part-time teaching only. You will definitely want to keep very good records because they are so closely related. For more information see Am I considered self-employed? - TurboTax® Support
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