BASI
The most widely travelled system in Europe. Level 1 can be done on indoor and dry slopes at home; the higher levels take several seasons and many modules.
Level 1
Teach in an enclosed environment such as a snowdome or dry slope.
- scheduleTime
- 4–5 days
- check_circleBefore you start
- Age 16 (most centres). After the course: 35 hours of shadowing, a criminal record check, a safeguarding module and a 2-day (12-hour) first-aid course.
- euroCost
- £600 course + £89 membership (from 1 June 2026)
Level 2
Teach up to and including parallel standard on marked pistes. The level most schools abroad ask for first.
- scheduleTime
- 8 days training and assessment
- check_circleBefore you start
- Level 1 plus 35 more hours in a ski school (70 in total).
- euroCost
- £900 course (from 1 June 2026)
Level 3 (ISIA)
Teach any level, on or off piste within the resort boundary.
- scheduleTime
- Several modules over one or more seasons
- check_circleBefore you start
- 200 teaching hours before the technical exam; modules in technique (5 days), teaching, coaching, a second-discipline Level 1, a second language and mountain safety (6 days).
- euroCost
- Not published – check with the body
Level 4 (ISTD)
Top level, listed for the UK in the EU Common Training Test regulation.
- scheduleTime
- Several seasons
- check_circleBefore you start
- International Mountain Safety, a professional development portfolio and the ISIA speed test (BASI no longer runs the EU Common Training Test; British instructors who train through an EU system can still take it there).
- euroCost
- Not published – check with the body
- Keeping it current
- One CPD credit every 3 years at Levels 1–2, three at Levels 3–4.
- In France
- Level 3 is not recognised. Level 4 alpine holders go through a case-by-case equivalence with an extra speed test; snowboard Level 4 is no longer recognised.
- Elsewhere
- Widely accepted by schools in Austria, Switzerland, Japan, Canada and the southern hemisphere, usually from Level 2.
- checkStart at home on indoor or dry slopes
- checkRecognised by schools in most countries
- errorNo access to the EU Common Training Test since Brexit
- errorFrance only by case-by-case equivalence