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Ranking · General secondary education
General secondary education: largest employers
251 Belgian companies in the sector (NACE 8531) report employees in recent accounts; here are the top 20. Broederscholen Hiëronymus leads with 341.2 FTE (financial year 2024).
Top 20
Ranked by average headcount (FTE) reported in the latest filed accounts (accounts less than 3 years old).
Rank by Total assets Revenue Headcount
# Company
Total assets Revenue
Equity FTE Year
1
Broederscholen Hiëronymus
9100 Sint-Niklaas
€45.9m
€2.44m
€33.0m
341.2
2024
2
The International School of Brussels
1170 Watermael-Boitsfort
€131.0m
€58.9m
€27.6m
306.2
2025
3
Connected
9000 Ghent
€83.9m
€6.34m
€61.9m
276.4
2024
4
Sint-Goedele Brussel
1070 Anderlecht
€127.2m
€5.77m
€87.6m
272.0
2025
5
CENTRE D'ENSEIGNEMENT LIBRE de LIEGE-OUEST
4000 Liège
€5.55m
263,899 €
€4.53m
258.5
2025
6
Centre scolaire catholique Bruxelles Nord-Ouest
1090 Jette
€7.32m
992,494 €
€6.17m
226.5
2024
7
Institut Saint-André d'Ixelles
1050 Ixelles
€9.10m
€1.59m
€3.33m
223.5
2025
8
Centre scolaire Maria Assumpta
1020 Brussels
€4.54m
€1.13m
€2.12m
223.3
2024
9
Campus Saint-Jean
1080 Molenbeek-Saint-Jean
€6.96m
194,813 €
€4.10m
217.6
2025
10
Institut Saint-Louis
1000 Brussels
€5.57m
465,013 €
€4.03m
169.0
2025
11
Centre Scolaire de Ma Campagne
1050 Ixelles
€6.87m
12,871 €
€4.89m
151.0
2025
12
College Saint-Hubert
1170 Watermael-Boitsfort
€3.10m
42,086 €
€1.27m
150.1
2025
13
Collège du Sacré-Coeur
1083 Ganshoren
€3.96m
83,793 €
€3.73m
127.3
2025
14
Centraal Katholiek Schoolcomité van Antwerpen
2060 Antwerp
€106.2m
€1.86m
€91.8m
107.8
2025
15
Institut Saint-Boniface-Parnasse
1050 Ixelles
€9.07m
753,874 €
€5.44m
102.1
2025
16
Karel de Goede
8310 Bruges
€86.4m
€8.34m
€70.1m
92.7
2023
17
College Saint-Francois d'Assise
1480 Tubize
€3.21m
709 €
701,476 €
90.0
2025
18
ST.John'S International School
1410 Waterloo
€12.3m
€14.7m
−€6.88m
82.5
2025
19
vzw Sint-Paulusschool, katholiek secundair onderwijs in waregem, Anzegem en Avelgem
8790 Waregem
€68.6m
€4.64m
€52.1m
76.5
2025
20
Antwerp International School
2180 Antwerp
€19.2m
€10.8m
€16.1m
69.5
2025
← The whole General secondary education sector
Frequently asked questions
Who is the largest employer in General secondary education? Broederscholen Hiëronymus, with 341.2 full-time equivalents reported (financial year 2024).
How many General secondary education companies report employees? 251 out of 359, in accounts less than 3 years old.
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Active companies (legal entities) that have filed at least one set of annual accounts, based on the Crossroads Bank for Enterprises and the National Bank of Belgium. The sector is the main activity in the register; the municipality is that of the registered office. Data updated on 14 Nov 2026.