I
- Idalou Independent School District
- Industrial Independent School District
- Ingleside Independent School District
- Ingram Independent School District
- Iola Independent School District
- Iowa Park Consolidated Independent School District
- Ira Independent School District
- Iraan-Sheffield Independent School District
- Iredell Independent School District
- Irion County Independent School District
- Irving Independent School District
- Italy Independent School District
- Itasca Independent School District
Read more about this topic: List Of School Districts In Texas