It should be abstinence only,but you are dealing with a secular school system,that took prayer out of school,and is immoral,so they will push the condoms instead of pushing the idea of delaying sex at least until they are 18,seeing it is their society that won't push for no sex until marriage.
They know they can't stop the kids from having sex so they are trying to keep them from getting pregnant,which their thinking is at least is somewhat safe seeing they can't stop them,although they might stop a few.
We are living in a society that is at the last days who will lovers of pleasures more than lovers of God,how much more immoral will the people who do not claim God act.They will be despisers of those that are good.
There are very few people in their society that want to do good.At least it isn't as bad a the free love in the 1960's.
Knowing the attitude of the people in society,I suppose the best they can do is offer condoms,so it as least a benefit although not perfect.
Matt