What is the difference between in District and out of District Tuition?

Any legal resident of Texas living within the boundaries of the Pasadena, Deer Park, La Porte, Galena Park, Channelview or Sheldon Independent School Districts will be charged in-district tuition. In-District Tuition of $43 per semester credit hour. Out of District Tuition is $84 per semester credit hour. Out of State and Other Non-Resident Tuition is $134 per credit hour. In addition to hourly tuition charges each student is assessed a $140 General Service Fee per term. Additional Course related fees such as Lab Fees, Incidental Fees, Liability Insurance, and Distance Learning fees may be assessed.