Mariposa County High Posted by: Kellie Flanagan September 29, 2016 0 856 Views Loading Map.... Mariposa County High5074 Old Hwy N - MariposaEvents 37.488592 -119.963322 Address 5074 Old Hwy N Mariposa 95338 United States Upcoming Events No events in this location ShareTweetSharePin Print this Article 2016-09-29 Kellie Flanagan