We have asked to students their ages and we got 219 answers ,
• 78 ( 35,6 %) students are 12
• 52 ( 23,7 %) students are 11
• 24 ( 11 %) students are 13
• 15 ( 6,8 %) students are 10
• 13 ( 5,9 %) students are 14
• 13 ( 5,9 %) students are 15
• 11 ( 5 %) students are > 15
• 9 ( 4,1 %) students are 9
• 4 ( 1,8 %) students are 11
We can deduce that most of our students are between 11 – 13 years old .