দিল্লী ইউনাইটেড ক্রিস্চন সীনিয়র সেকণ্ডরী স্কূল

I am a Christian, my son is now 6 yrs 5 month old, he is studying in 1st. But this school is not a senior secondary school. So now I have to take admission in 2nd for my son. So kindly help me