Log into the user's "Alert Montgomery" account. Select "My Subscriptions (Edit)". Select dropdown arrow next to "Montgomery County Public Schools", select Dropdown arrow next to "Send me alerts for these schools". Scroll down the school list to MCPS "Alerta Espanol" and enable or disable this option.
To receive general school system notifications such as School closings: Check "Alert MCPS ALL". To get alerts from individual schools, simply click the box next to the school.