No. Since you are paid with a W-2, you are considered an employee and would not be eligible to treat the activity as self-employed income. There is an Educator Expense deduction that you are entitled to. Please see this link for more details.
If you have other jobs where you do receive a 1099-NEC, then you would be able to claim those expenses incurred as part of earning the 1099 income as being attributable to self-employment. Please see what self-employed expenses can I deduct?
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