The District offers a health savings account (HSA) through Port Washington State Bank. A HSA is a tax-advantaged medical savings account available to taxpayers in the United States who are enrolled in a high-deductible health plan (HDHP). The funds contributed to an account are not subject to federal income tax at the time of deposit.
HSA - IRS Rules
HSA Medical and Dental Expenses
(What you can and cannot spend your HSA funds on)
HSA Election Form 2019