I'm mainly with Imarriedaniceman. I have lived in Brussels for 31 years and I hated the Belgian school system. My eldest ds ended up having a breakdown at the age of 15 and we had to move him. dd is homeschooling for the final two years of school. I don't understand the comment "no pressure to pass exams". It's all about exams! From the age of six, it's tests all the time plus exams twice a year. If you don't pass, you'll get the chance to resit in August otherwise you have to redo the whole year! There is little creativity and the emphasis on academic subjects and learning by rote is something out of the 1950s I'd say rather than the 1980s. I have seen children in maternelle being handled roughly, being shouted at and other incidences which have beggared belief. They have no clue about child psychology.
Long lunchtimes are mainly because when the schools were built they didn't expect so many children to stay at lunchtime so they don't have the facilities to cope so they need two shift for lunch. The supervisors tend to walk around together chatting and often miss what they are paid to look out for. In secondary there are no long lunchtimes though and it's a very long day. My dd (17) would be going from 8.10 to 16.30 with an hour lunch break and about three hours of homework a night.
Trips. Yes, my dd could have gone on a pony club week with the school at the age of 5. Wild horses wouldn't have dragged here away from me for a week at that age. She was still wetting at night so there is no way she would have felt comfortable doing that. She and one other boy were the only ones in the class not to go.
Oh and the "children are like sponges - they'll be speaking the language in no time" Not in my experience. Also, what people forget is that if they only come over for a few years when the children are young and never live in a French speaking country again, they WILL forget it.
This is not just the opinion of someone who expects the UK this side of the channel. I came here before I had my dcs, I feel Belgium is more my home than the UK, I speak both French and Dutch, I have Belgian friends, some of whom are just as vocal about the school system as I am. In my experience it depends on the child. If you have a child with a good memory they are more likely to survive the Belgian system. If you don't, then good luck. A mnetter went back to NZ recently. She said her youngest felt settled at school after the first day. Before she left I asked what she would miss about Brussels and what she wouldn't. For the latter she replied "the school system".
I'm sorry I didn't come onto your thread when you were asking for advice Imarriedaniceman as I would have told you what I thought.
And no segregation? You're kidding right? Go walk around leafy Woluwe St Pierre and then take a walk in Molenbeek and come back and tell me there is no segregation. Well, it's not forced segregation but most north African/Turkish immigrants can't afford the house prices in Woluwe St Pierre! The police are extremely racist in Brussels (and were even before the attacks). My sons often went out for the night in Brussels and the police targeted non white young men for ID checks etc over the white young men.
All that said, I wouldn't necessarily say not to come here. It's easy to travel from to visit all over Europe. If you stay in the bubble of the East of Brussels, you could live here without knowing much of what goes on over in the west. I would put your children in the BSB in a heartbeat over the local school (though can understand the appeal of just a couple of years to get their French to a standard where they can join the bilingual programme). It's definitely not perfect but most children I know have thoroughly enjoyed their time there. I don't know any children that this can said of in a Belgian school. One more thing, the facilities at the BSB are second to none and in the Belgian schools (though I'm thinking of secondary here) are pretty appalling. My dd's school was falling to pieces with rubbish science labs (but then for the most part the children don't do experiments), nowhere to sit for lunch (they sit on the floor in the corridors), well really no facilities other than classrooms with central heating that is either full on or full off because they have no temperature regulators on the radiators.