Lamar CISD educates students who live in Rosenberg and Richmond but also includes Sugar Land's Greatwood subdivision.

The following tables show enrollment and demographic data for LCISD schools located within Community Impact Newspaper's Sugar Land and Missouri City coverage area.

LCISD's student demographics resemble demographics for Texas students at large. Furthermore, while 43% of students LCISD are Hispanic and 27% are white, LCISD teachers are 19.5% Hispanic and 61.3% white.

The following table shows comparisons between student and teacher demographics in the district and state.