turn the corner, be wide of the mark, at the ready

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At School, Technology Starts to Turn a Corner

By STEVE LOHR

Published: August 16, 2008

COUNT me a technological optimist, but I have always thought that the people who advocate putting computers in classrooms as a way to transform education were well intentioned but wide of the mark. It’s not the problem, and it’s not the answer.
Yet as a new school year begins, the time may have come to reconsider how large a role technology can play in changing education. There are promising examples, both in the United States and abroad, and they share some characteristics. The ratio of computers to pupils is one to one. Technology isn’t off in a computer lab. Computing is an integral tool in all disciplines, always at the ready.

be wide of the mark
to be wrong:
Yesterday's weather forecast was a little wide of the mark, then.

turn the corner
If something or someone turns the corner, their situation starts to improve after a difficult period:
After nine months of poor sales we've finally turned the corner.

at the ready
prepared for immediate use or action:
He stood by the phone, pencil at the ready.