Lorraine Clapperton, 46, of Bannerfield Drive, Selkirk, pleaded guilty to a careless driving charge by failing to see two pedestrians and colliding with the youngsters.
She also admits failing to stop after an accident and not reporting it to the police within 24 hours.
The offences happened in Abbotsford Road, Galashiels, on May 29 and sentence was deferred until August 19 for a personal appearance.