Is it permissible to send our children to an Islamic school that was built with a riba-based loan?
Question

                Should Muslims send their children to an Islamic school where it was built with a loan involving riba (interest)from a bank? It is the only Islamic school in the city so there is no Islamic alternative. By the way, that Islamic school has quite a bit of trouble and has not run smoothly since it opened, probably due to the riba.
Praise be to Allah.
    Allah, may He be exalted, has enjoined parents to take care 
    of their children, both male and female. Taking care of them is not only 
    limited to giving them food and drink, and clothing them; rather there are 
    things that are more important than that and more deserving of the parents’ 
    attention and concern. What we mean by that is bringing children up with 
    Islamic attitudes and love of the faith; teaching them beneficial Islamic 
    knowledge; making sure that they are adhering to Islamic duties, foremost 
    among which is the prayer; and making sure they avoid bad friends and bad 
    attitudes. 

    Perhaps choosing a good area to live in and choosing good 
    neighbours and friends plays a role in good upbringing and care of children. 
    Choosing a good Islamic school also has a major impact in giving children a 
    good education and upbringing. 

    The fact that the Islamic school was built with a riba-based 
    loan does not mean that the Muslims should not send their children there. 
    The sin is only on the one who took out the riba-based loan, not on the 
    students or teachers. 

    If someone builds a house with a riba-based loan, the sin is 
    only on him alone; it has no impact on anyone who visits him in that house 
    or eats his food, although they should advise him to repent from what he has 
    done. We have discussed this issue in the answer to question no.
    110208. 

    Even if a mosque is built purely with riba money or by 
    borrowing the money to build it from a riba-based bank and paying it back 
    with interest, that has no impact on the validity of prayers offered in that 
    mosque. 

    Shaykh Muhammad ibn Saalih al-‘Uthaymeen (may Allah have 
    mercy on him) said: 

    That also includes an issue that confuses some people: if 
    there is a man who deals with the bank or deals with other matters, the 
    earnings on which are haraam, then he builds a mosque or repairs a road. 
    Then one may ask: is it permissible for me to pray in this mosque that he 
    renovated with his haraam money, or to walk on that road? 

    We think that there is nothing wrong with praying in this 
    mosque, even if it was built with riba money or with other haraam earnings, 
    because the sin is only on the one who acquired wealth in that way. Moreover 
    we say: perhaps this man who built this mosque had recently repented and he 
    built it in order to absolve his sin and get rid of the haraam wealth. So if 
    we pray in the mosque and encourage him, we will be helping him in his 
    repentance. End quote. 

    Ash-Sharh al-Mumti‘ ‘ala Zaad al-Mustaqni‘, 
    10/60. 

    Based on that, there is nothing wrong with you sending your 
    children to this school, whilst offering advice to those who established it 
    to repent to Allah, may He be exalted, and to strive to ensure that their 
    wealth and work are halaal and permissible so that Allah might bless them 
    for them. 

    And Allah knows best.