Skyview Ranch has 6 playgrounds and 2 schools but why does it not have any marked School Zones? There are only playground zone speed limit signs, showing a child chasing a ball.
The answer is that in 2016, the City of Calgary consolidated school zones and playground zones into one type of zone with fixed hours. This was done with input and support of the Calgary Police Service, the Alberta Motor Association, Calgary Board of Education, Calgary Catholic School District and other municipalities in Alberta.
All schools and playgrounds are now marked with Playground Zone signs like this: