Armed officers are outside Esher C of E High School in More Lane.
Students and staff remain inside the building at this time.
Updated 4:30pm:
The
majority of staff and students at Esher C of E High School have now left the
premises following reports of a concern for safety earlier this morning.
Officers attended at 11.15am following reports of a suspicious phone call.
No weapons have been found, contrary to reports on social media, and no one has been arrested at this time although enquiries continue.