To provide the citizens of Allegheny County with the premier library system in the Commonwealth.
ACLA, a federated library system, pursues, provides and promotes the highest quality public library service possible for all residents of Allegheny County through collaboration, cooperation and coordination.
- Provides visionary leadership committed to excellence and innovation.
- Promotes ethical stewardship of resources.
- Supports member libraries through a free and open exchange of information and active collaboration.
- Respects diversity of member library opinions and community needs.