Kindly refer to the following link(s):
Can I combine Dhur with Asr if I'm at work?
When are we going to say enough is enough, put Islam as priority (School, haram things)
Due to Muslims being targeted in India I fear to pray at school Can I combine prayers
Can't pray on time due to work or class, can I combine prayers after going home?
Gap between prayers is short, can't pray on time due to work, Can I combine prayers?
Can I pray at home if the school does not allocate a place for the students to pray?
School doesn't allow me to pray in masjid or at school, can I combine dhuhr with Asr?