Can I shower in the school changing rooms as a Muslim?

What Islam asks here

Modesty in Islam applies to men and women, and even in same-gender spaces. The Quran says:

The next verse says the same to believing women. The Prophet ﷺ also said that a man should not look at another man's awrah, nor a woman at another woman's awrah (Sahih Muslim 338). So the issue isn't the shower itself; it's being seen, or seeing others, uncovered.

What counts as awrah

• Boys and men: at least from the navel to the knees, in front of other men.
• Girls and women: in front of other women, the majority view is also from the navel to the knees, though many scholars encourage covering more, such as the chest and back.

Small details differ between the four schools, but all agree that the private parts must never be exposed in a shared changing room. See Can I still wear shorts to the gym as a Muslim?

Practical ways to do it

• Use a shower cubicle with a door or curtain if there is one.
• Shower in your swimsuit or shorts, then change under a large towel or a changing robe.
• Go in a few minutes earlier or later when it's quieter.
• Keep your eyes down and don't hang around where others are undressed.
• If the only option is an open group shower, skip it and shower at home. That's completely acceptable.

Talking to the school

Many schools in the UK, Europe and the USA no longer require pupils to shower after PE, and teachers are usually understanding about privacy. If showers are compulsory, you or a parent can ask politely for a private option on religious and privacy grounds. Plenty of non-Muslim pupils feel the same. See What if my school PE uniform isn't modest? Being in the shower naked doesn't affect your wudu, by the way. See How do I make wudu in a school bathroom?