FAQ

What does Grade A or B mean?

After a standards check, DVSA grades instructors A (highest) or B (satisfactory). As of March 2026, 7,625 instructors held Grade A and 20,578 held Grade B (DVSA INS0102).

How many ADIs are on the register?

42,401 as of March 2025, per DVSA's official register statistics (INS0101). The register has grown every year since 2017.

What is a PDI?

A potential driving instructor (trainee) working towards full registration while holding a trainee licence.

Is this an official register?

No. This site summarises official published statistics and links to official verification channels.

How often is the data updated?

DVSA publishes register statistics regularly; each table on this site carries a retrieval date.