| PBIS | Pacific Bell Internet Services 
| Others |
| PBIS | Performance Based Inspection System
| Others |
| PBIS | Personal Best In Students
| Others |
| PBIS | Positive Behavior Incentive System
| Others |
| PBIS | Positive Behavior Intervention Strategy
| Others |
| PBIS | Positive Behavior Interventions and Supports
| Others |
| PBIS | Positive Behavior Interventions Support
| Others |
| PBIS | Positive Behavioral Intervention and Supports
| Others |
| PBIS | Positive Behavioral Interventions and Strategies
| Others |
| PBIS | Positive Behavioral Interventions and Supports
| Others |
| PBIS | Positive Behavioral Interventions Supports
| Others |
| PBIS | Professional Background Information Services
| Others |