The phrase "as a key stage" is correct and usable in written English.
It can be used to indicate an important phase or step in a process or development.
Example: "The project will be evaluated as a key stage in our overall strategy for growth."
Alternatives: "as a crucial phase" or "as an essential step".
Kendall Square will serve as a key stage throughout HUBweek, now in its fourth year of convening innovators and celebrating and showcasing their work.
My first job was as a key stage 2 teacher specialising in science and PE at Great Meols primary school in the Wirral, where I'm from.
As lord chief justice, in 1772 he ruled that a master could not take a slave out of Britain by force, a judgment seen as a key stage in the eventual abolition of the slave trade.
He ruled that a master could not take a slave out of Britain by force, a judgment seen as a key stage in the eventual abolition of the slave trade.
However, despite his tender years, success in an event that has long been regarded as a key stage on the road that leads to Formula One was no overnight achievement.
Offa's reign has sometimes been regarded as a key stage in the transition to a unified England, but this is no longer the general view among historians in the field.
The Undefeated has been widely seen as a key staging post in Palin's plan for a presidential run next year.
The quality of rice fields as a key staging area for godwits lay in the presence not only of suitable foraging areas, but also of roosting sites.
There is a long way to go before architects, and their clients, strike the right balance, yet here in Golden Gate Park is an enjoyable, elegant and environmentally friendly building that should be recognised as a key staging post.
Irrespective of this year's Ashes travails, their one-day team endured a thrashing of their own in England last summer and have identified this series as a key staging post in their preparations for hosting the 2015 World Cup.
"We've got a good group and we see the autumn internationals as a key staging point," said the former Leeds Carnegie director of rugby. .
