The Senior Leadership Team (SLT) has overall responsibility for all aspects of Lanark Grammar School. They work closely with all members of staff to bring quality to our provision. Each member of the SLT has a specific link to one or more of our Faculties in addition to whole-school responsibilities.
| Mr M Sherry | Head Teacher | |
| Mrs J Brown | Depute Head Teacher | Additional Support Needs |
| Mr D Falconer | Depute Head Teacher | S3 and S4 |
| Mr N Munogee | Depute Head Teacher | Pupil Support |
| Miss G Pollock | Depute Head Teacher | S5 and S6 |
| Mrs A Wilson | Depute Head Teacher | S1 and S2 |
