My question involves traffic court in the State of: California

I recently received a speeding ticket for going 90mph on the I-210E nearby Rancho Cucamonga going down a hillside where speed adds up in the carpool lane.
The odd part was the officer pulled me over after pacing my car for a quarter mile, by which time I slowed down to 65, and then proceeded to pull me over. He indicated on the ticket 90 mph in 65mph zone and checked the radar box as well. I'm not an expert, but does the CHP have to do a visual when they have the radar?

Anyways, I am wondering how I can approach this situation with a reduced fine with traffic school or no fine at all. I plan on requesting the radar calibration records Monday morning, and I have another month before the trial date. Is there anything else I should do to prepare or do TBD?
Thanks!