## Language_Schools

id | name | location
--- | --- | ---
1 | ABC School | New York
2 | DEF School | London
3 | GHI School | Paris
4 | JKL School | Berlin
5 | MNO School | Rome

## Course_Levels

id | level
--- | ---
1 | Beginner_Level
2 | Intermediate_Level
3 | Advanced_Level
4 | Expert_Level

## Language_Schools_Course_Levels

language_schools_id | course_levels_id
--- | ---
(→ Language_Schools.id) | (→ Course_Levels.id)
2 | 1
3 | 1
4 | 1
5 | 1
1 | 2
3 | 2
4 | 2
5 | 2
1 | 3
2 | 3
4 | 3
5 | 3
1 | 4
2 | 4
3 | 4
4 | 4
5 | 4
1 | 1
2 | 2
3 | 3