How many lessons do french children have in a day?

There's no single answer to this question. The number of lessons French children have in a day varies depending on:

* Age: Primary school children (ages 6-11) have fewer lessons than secondary school students (ages 11-18).

* School Type: Public schools may have slightly different schedules than private schools.

* Grade Level: The curriculum and time allocation for different subjects can change across grades.

Here's a general idea:

* Primary School: Students in primary school typically have around 5-6 lessons per day, each lasting 45-50 minutes.

* Secondary School: Students in secondary school usually have 6-8 lessons per day, with each lesson being 50-60 minutes long.

Important Note: This is just a general guideline. The specific number of lessons and their length can vary depending on the individual school and its organization.