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Richard Milburn Alter High School (Killeen)
- Richard Milburn Academy Houston (Suburban) Calendar
- Richard Milburn Academy Lubbock Calendar
- Richard Milburn Academy Houston East Calendar
- Richard Milburn Academy Midland South Calendar
- Richard Milburn Academy Corpus Christi Calendar
- Richard Milburn Academy Amarillo Calendar
- Richard Milburn Academy Odessa Calendar
- Richard Milburn Academy Fort Worth Calendar
- Richard Milburn Alter High School (Killeen Calendar
Other districts in Texas state
- Rockdale Independent School District
- Rogers Independent School District
- Roosevelt Independent School District
- Roscoe Collegiate Independent School District
- Round Top-Carmine Independent School District
- Rockwall Independent School District
- Royal Independent School District
- Runge Independent School District
- Rule Independent School District
- Rusk Independent School District
- Rapoport Academy Public School
- Rankin Independent School District
- Reagan County Independent School District
- Red Lick Independent School District
- Raymondville Independent School District
- Refugio Independent School District
- Redwater Independent School District
- Raul Yzaguirre School For Success
- Rice Consolidated Independent School District
- Red Oak Independent School District
- Riesel Independent School District
- Richards Independent School District
- River Road Independent School District
- Rising Star Independent School District
- Riviera Independent School District
- Rochelle Independent School District
- Rocksprings Independent School District
- Roby Consolidated Independent School District
- Richardson Independent School District
- Ralls Independent School District
- Rains Independent School District