The Leader of the council, Cllr Matthew Lee, and Mayor of Grantham, Cllr Mike Cook, presented a cheque for £150 to National Citizen Service (NCS) participants on Wednesday 18 October, which created its features in the summer.
Their work will help ensure the learning zone for younger children can be maintained over the coming months with its blackboard, soft paths and seating made out of wooden logs for students to use when their learning about nature.
Cllr Lee said: "I met the participants in August and saw first-hand the skill and dedication they had devoted to this excellent project to benefit other young park users.
"We are very grateful for all of the volunteers' help and they are rightly proud of what they have achieved. The District Council's donation will help go towards maintaining this wonderful learning area."
The school was returned to its former glory in August after suffering vandalism just days after its completion.
The council's contractors, Glendale and Grounds Maintenance and Community Engagement teams, rallied round to help restore plants and fences and support the participants who had put hours of hard work into the project.
Phil Everett from EM1, the regional NCS provider, said: "We're so proud of this group of NCS participants. They've shown a huge amount of passion and dedication in getting back together to continue the work that they began over the summer. They are all a real credit to the NCS and our community.
"We'd also like to thank SKDC for this donation and their ongoing support of NCS this year. We look forward to continuing our work together."
this summer. We look forward to continuing our work together."