Device Management Application (DMA)

All PLDs must be installed with a Device Management Application (DMA) software before they can be used in school to provide a safe learning experience for the child/ward and to prevent misuse of the devices. Mobile Guardian is the designated DMA which will be installed on the Lenovo 500e 2nd Generation Chromebook purchased through MOE bulk tender.

Students who do not wish to purchase a device because they already have their own device will have to seek approval from the school before they can pursue this option. The school will ascertain whether the specifications of their existing device are on par with the school’s chosen device model. Upon approval, the school will assist to install the DMA in the student’s existing device, which can be uninstalled from the device upon the student’s graduation.

Students are
not to attempt to uninstall or de-enroll themselves from the software. Any violation will lead to disciplinary action in accordance to the school’s discipline policy.

The DMA can:

  1. Remotely deploy teaching and learning applications as well as security patches

  2. Enable teachers to monitor and control the students’ screens during lessons

  3. Restrict apps and websites accessibility, as well as screen time during specified hours


There will be default setting on web content filtering decided by the school for students to focus on learning in a safe and conducive online environment. Certain Chrome apps or extensions will also be installed to support teaching and learning.

Following school hours, the
PLD will come under the DMA settings from 7 am to 6 pm, which also caters for use of device during CCAs and after-school programmes.

Parents can choose from three options of control over DMA past 6 pm:

  • Keep to the Default settings: the Chromebook will follow the same DMA settings set by the school

  • Option A: Parents can exercise control by adjusting the screen time or restrictions.

  • Option B: Disable the DMA entirely.


Parents/Guardian can request to change their choice of DMA settings. However, changes to the DMA after-school options will only
take effect on the last Friday of every month.