Texas makes Bible passages required reading for millions of public school students
(www.theguardian.com)
I'm a hardcore atheist and if you can't find anything philosophically interesting in the bible I think you're blinded by trauma.
How about Kierkegaard's discourses on Matthew, for example?
https://en.wikipedia.org/wiki/Christian_Discourses
In the context of whether it should be mandated reading in HS fuck no. But it's important in relation to western literature, so if you go into the humanities you'd better have a passing familiarity with it.