Rent for apartment with 3 bedrooms 2000-5000 TL,
Standart bills like electricty, gas etc, 1000 TL
Basic kitchen exp. 1500-2500 TL,
A good primary school exp. (per month) 3500-6000 TL, (in your case x2)
$ - TL parity 05.Feb.19 5,2
So; You have 8k $ = ~41,5k TL
Rent, bills, kitc., appr. 6.500 TL
Average school exp. 4500 x 2 = 9000 TL
Sum: 15.500 TL
You will have 41.500 TL with this parity.
So do the math.