are a levels secondary or higher education

Most qualifications have a difficulty level. The higher the level, the more difficult the qualification is.
If you need to know the level of a qualification, you can:

If you are at an office or shared network, you can ask the network administrator to run a scan across the network looking for misconfigured or infected devices.
If you are on a personal connection, like at home, you can run an anti-virus scan on your device to make sure it is not infected with malware.

References:

http://www.goodschoolsguide.co.uk/international/transitions/from-american-schools-to-british
http://www.aoc.co.uk/term/college-higher-education