PUSD
- Page Unified School District
- Paramount Unified School District
- Parker Unified School District
- Pasadena Unified School District
- Payson Unified School District
- Peoria Unified School District
- Piedmont Unified School District
- Pima Unified School District
- Pittsburg Unified School District
- Piñon Unified School District
- Pleasanton Unified School District
- Plumas Unified School District
- Pomona Unified School District
- Porterville Unified School District
- Poway Unified School District
- Prescott Unified School District
- United Social Democratic Party (Guinea-Bissau)