  A considerable part of recent research in smart cities and IoT has focused on
achieving energy savings in buildings and supporting aspects related to
sustainability. In this context, the educational community is one of the most
important ones to consider, since school buildings constitute a large part of
non-residential buildings, while also educating students on sustainability
matters is an investment for the future. In this work, we discuss a methodology
for achieving energy savings in schools based on the utilization of data
produced by an IoT infrastructure installed inside school buildings and related
educational scenarios. We present the steps comprising this methodology in
detail, along with a set of tangible results achieved within the GAIA project.
We also showcase how an IoT infrastructure can support activities in an
educational setting and produce concrete outcomes, with typical levels of 20%
energy savings.

Computers and Society;Distributed, Parallel, and Cluster Computing