"It can reassure children who don't realise they're doing as well as they are.
"And for those who get a message of concern, it shows teachers are genuine and really want to help them," said Mr Aitken.
But he said the texts won't replace traditional school reports or parents evenings, as they're based on effort rather than grades.
No need for a mobile
The school already runs a system where parents are texted if pupils don't turn up for lessons, and the text updates use the same system.
And if parents don't have a mobile the report still gets through - the computer translates the text into a answer phone message.