Education level
1. Low: primary education and intermediate preparatory vocational education (vmbo), level 1 of secondary vocational education (mbo-1), junior years of secondary education (avo onderbouw).
2. Medium: senior general secondary education (havo), pre-university education (vwo), secondary vocational education (mbo).
3. High: higher vocational education (hbo), academic education - bachelor and master (wo), doctorate.