I located 10 Aransas Pass HS alumni (Five from the Class of 1983 and five from the Class of 1984) in Facebook, and sent them messages with the two recons attached.
(If she was approximately 14-15 in 1980, her peers would have been from approximately the 1983-84 graduation classes)
Here is the text of my message:
I'll keep you all posted on any replies.
That's really good, I also wonder if she was from Rockport-Fulton High School population instead? She mentioned both Aransas Pass and Rockport apparently. I'm really tempted to go to Classmates.com and try to post something on those class websites.