TTO schools in the Netherlands: bilingual (tweetalig) secondary school explained for Indian parents, who gets in, and whether it is the right route

TTO bilingual education in the Netherlands is the route Indian parents ask about the moment they hear it exists, because it sounds like the answer to the whole dilemma: a Dutch school, free, with the child's English kept alive. It is partly that. It is also a specific product with an entry gate at 12, a lottery at the popular schools and a shape that suits some children and not others. This post explains what tweetalig onderwijs is, which schools run it, what it asks of the child, what it does to the Dutch and the English, and when we tell a family to go for it.

What TTO actually is

Tweetalig onderwijs is a stream inside an ordinary Dutch secondary school, mostly at vwo level, in which a large part of the timetable in the first three years, the onderbouw, is taught in English by the school's own teachers. History, geography, biology, physical education, art and often maths and science are taught in English; Dutch, French and German stay in their own languages. The textbooks for those subjects are English, the classroom language is English, and the tests are in English. In the upper years, the bovenbouw, most subjects return to Dutch because the national exams are in Dutch, and the English continues through an international programme, usually the IB's English A course or a Cambridge qualification, which gives a certificate alongside the Dutch diploma.

Around 130 schools across the country offer TTO, coordinated through a national network with its own quality standard, and most large towns have at least one. Amsterdam, Amstelveen, Utrecht, Eindhoven, The Hague and the towns around them all have TTO schools within reach. The stream was built for Dutch children who want stronger English, and it has become, without anyone planning it, the natural home of the expat child who has grown into a Dutch school.

Who gets in

The gate is the groep 8 advice. Most TTO streams are vwo, so the child needs a vwo advice, and a havo advice opens the havo TTO streams that a growing number of schools now run. A few schools run vmbo TTO. Beyond the advice, the popular schools receive more applications than they have places and run a lottery, sometimes with a motivation letter and a short interview or an English test first. A child with a vwo advice and good English is a strong candidate and can still miss a place at the school the family wanted; families apply with a first, second and third choice through the regional matching system and take what the lottery gives.

Two things help. English that is clearly comfortable, which an Indian child usually has, and a motivation letter written by the child in their own words about why they want to learn in two languages. Schools read those, and a child who writes "because my parents said so" does not do themselves a favour. How the advice itself is formed, and what vwo, havo and vmbo mean, is in VWO, HAVO or VMBO explained.

What it costs and what it takes

The school is free. TTO carries an extra parental contribution, typically several hundred euros a year, for the certificates, the exchange trips and the international programme, and it is legally voluntary. Beside the money, TTO asks more of the child: a heavier programme, an extra language on top of Dutch and English (French and German are standard at vwo), exchanges abroad, and a pace that assumes the child can read a biology textbook in English at 12. For a child from an Indian school that last part is the easy bit. The hard bit is the Dutch, which the child still needs at full vwo level for Dutch, for the other languages taught in Dutch, and for the whole of the bovenbouw.

What it does to the Dutch and the English

The honest picture. A child who joins TTO at 12 with three or four years of Dutch primary school behind them will keep their English at a level an Indian family expects and will finish with an internationally recognised English certificate. Their Dutch will develop normally for the subjects taught in Dutch and a little more slowly in the subjects taught in English, because they are not hearing the Dutch words for those subjects. Schools know this and manage it; the national exams in year 5 or 6 are in Dutch and TTO pupils sit them like everyone else.

A child who joins TTO at 12 straight from India, with little Dutch, is a different case. TTO does not teach Dutch as a second language; it assumes it. That child belongs in a newcomer route or an international school for the first year, not in TTO, and the schools will say so at the intake. How placement works for a newly arrived child is in which groep will my child be placed in.

What it does not do

TTO does not make a Dutch school into an international school, and a family that expects that will be disappointed by December. The classmates are Dutch, the culture is Dutch, the humour is Dutch, the school trip is to a campsite in the rain. The maths is the Dutch wiskunde programme in English, in the Dutch order, and the child who arrived ahead in algebra is still ahead in algebra and still bored in the same lessons. What changes at 12 in maths and science, and how to stay ahead, is in brugklas year 1. TTO also does not bring the IB Diploma; it brings a Dutch vwo diploma, which Indian and international universities accept and which is, for a child staying in the Netherlands, the better passport.

When we recommend it

• Staying in the Netherlands for the long term, child in a Dutch primary school with a vwo or havo advice coming: yes, apply, with three choices. It keeps the English at an Indian standard for free and costs nothing in Dutch.
• Likely return to India or a move to another country at 15 or 16: yes, and it is the best Dutch option for that family, because the English certificate and the English-taught science travel well, and the vwo years map cleanly on to Class 9 to 12. The plan for that move is in how to keep your child CBSE-ready.
• A child who finds the Dutch hard and is scraping a havo advice: no. TTO adds load; it does not remove it. A regular havo with the English kept up at home is kinder and ends in the same diploma.
• A child arriving at 12 with no Dutch: not yet. An international school or the newcomer route first, then TTO at 13 or 14 if the Dutch has caught up, which some schools allow as a side entry.

The comparison that sits behind all of this, international school against Dutch school for an Indian family, is in international school or Dutch school. TTO is the Dutch system's answer to the English half of that question, and for the family that is staying, it is a good one.

What we do

For TTO children we do two things. Before the application, from groep 7, we keep the maths and the English at a stretch level so the advice is what it should be and the motivation letter has something true to say. After entry, we teach the maths and science of the TTO onderbouw in English, a term ahead, in the Dutch order and with the Dutch terms alongside, so the child who is bored in the English-taught maths class has somewhere to go. Bring the groep 7 report and the school's TTO information page to the free demo and we will tell you whether the advice is on track and what the letter should say.

Questions parents ask

See how we teach this, 1-on-1 online →