Son, 15 starting to suffer from terrible performance related anxiety re school

[Pleasegivemeyourwisdom]

... and it's stopping him in his tracks.

Please can you direct me to any good sites / resources / places for me to glean support to support him.

We deliberately place NO PRESSURE on him as we just want him to be happy.

It's really starting to cripple him and he is crying most nights - both in frustration and fear.

Sorry to hear this. Is there a school pastoral lead you can talk to? Young Minds Charity might also be able to help.

There is also a long running chat thread on Mumsnet for parents of anxious teenagers.
Hopefully someone will come along with more suggestions.