Before NVU-Johnson... In high school, Hunter lettered for McKeel Academy of Technology in Lakeland, FL. Castro won back to back FHSAA District 4A-12 Championships.  In his junior year, the McKeel Academy Wildcats had a fantastic campaign with an 11-4-2 record (9-2-1 league).  In the following season, the group finished 7-7-3 in repeating as District 4A-12 champions. During his senior campaign, Hunter contributed in the midfield with 2 goals, 3 assists and 7 points.  On the club circuit, he has played several years with North Lakeland United.  His NL United 01 Boys team has been a perennial contender in the leagues they compete in such as the Greater Central Florida Youth Soccer League (GCFYSL) and the United Soccer Association (USA) around the Tampa area.  In the fall of 2018, Hunter's NL United 01 Boys, won their U19 Boys Division of the GCFYSL and followed up in the 2019 fall season with a second-place finish.