The phrase "addition to the classrooms" is correct and usable in written English.
It can be used when referring to something that is being added or included alongside the classrooms, such as facilities, resources, or programs.
Example: "In addition to the classrooms, the school will be introducing a new library and a science lab."
Alternatives: "supplement to the classrooms" or "enhancement to the classrooms".
In addition to the classroom time, the program this past summer held a career day, which drew more than a dozen people — including two from Kenya and several from Ethiopia — who work in fields that require knowledge of computer science.
In addition to the classroom days, fellows will need to meet with their group and other leaders occasionally to push their projects forward.
Our goal in this is for students to build meaningful relationships with faculty members outside of and in addition to the classroom and labs.
In addition to the classroom experience, DGHI offers students a range of opportunities such as journal clubs, service groups, guest lectures, and more.
In addition to the classroom activity, parents were invited to attend an information session to have the study process explained to them in more detail.
Teaching courses with concept-based project labs exposes students to troubleshooting their data, critiquing their own work, and learning the concepts through data analysis in addition to the classroom lectures.
Further study is needed of the complex role parents, siblings and peers, in addition to the classroom setting and the community, likely play in the self-perceived health-related quality of life of a child or adolescent with a chronic pain condition.
In addition to the classroom units previously delivered, UNICEF has delivered eight container-based living units to accommodate 24 school counsellors/guidance centre staff, as well as supplied 190 recreation kits and 190 early childhood development kits, each containing sufficient materials for 50 children.
As with the Sunesis "street", the circulation spaces are seen as additions to the classrooms, here a more intricate set of enlarged corridors rather than a single big room.
