[3] Census-designated places in Willacy County served by LCISD include Santa Monica, Sebastian, and Zapata Ranch.
[1] Former CDPs in Willacy County within LCISD include Lyford South and Willamar.
[4][5] CDPs in Cameron County served by LCISD include the majority of Yznaga.
In 2009, the school district was rated "academically acceptable" by the Texas Education Agency.
[7] Lasara ISD eventually received a high school, with 2011 being the year of the first graduation.