Dawson, 74, has been charged with one count of carnal knowledge by teacher of a girl between the ages of 10 and 17.
The former Newtown Jets rugby league player was a sports teacher at a public high school in the Northern Beaches, where he allegedly began a relationship with a student.
The student was 16 at the time the two allegedly began having sexual intercourse while Dawson was aged in his thirties.
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The former teacher has denied the charge.
Downing Centre District Court was told on Friday that Dawson’s defence is expected to file a judge-alone trial application in the coming weeks and the accused will face a readiness hearing on April 27.
The trial is set down to start on May 29.