View All News
![Girls' Soccer Team 8th Graders]([{"url":"https://resources.finalsite.net/images/f_auto,q_auto,t_image_size_1/v1761581533/mountainsideschoolsorg/np63v0dpga6z9zebuh4w/GirlsSoccer8thGraders.png","width":256},{"url":"https://resources.finalsite.net/images/f_auto,q_auto,t_image_size_2/v1761581533/mountainsideschoolsorg/np63v0dpga6z9zebuh4w/GirlsSoccer8thGraders.png","width":512},{"url":"https://resources.finalsite.net/images/f_auto,q_auto,t_image_size_3/v1761581533/mountainsideschoolsorg/np63v0dpga6z9zebuh4w/GirlsSoccer8thGraders.png","width":800},{"url":"https://resources.finalsite.net/images/f_auto,q_auto/v1761581533/mountainsideschoolsorg/np63v0dpga6z9zebuh4w/GirlsSoccer8thGraders.png","width":851}])
Congratulations to our Girls' Soccer Team as they head into their semifinals game. It's been a great season watching and cheering from the sidelines. We wish our 8th Graders all the best!
![Boys' Soccer 8th Graders]([{"url":"https://resources.finalsite.net/images/f_auto,q_auto,t_image_size_1/v1761581383/mountainsideschoolsorg/ymx3aiogheucs3pbxpj1/BoysSoccer8thGraders.png","width":256},{"url":"https://resources.finalsite.net/images/f_auto,q_auto,t_image_size_2/v1761581383/mountainsideschoolsorg/ymx3aiogheucs3pbxpj1/BoysSoccer8thGraders.png","width":512},{"url":"https://resources.finalsite.net/images/f_auto,q_auto/v1761581383/mountainsideschoolsorg/ymx3aiogheucs3pbxpj1/BoysSoccer8thGraders.png","width":784}])
Congratulations to our Boys' Soccer Team as they head into the semifinals this season. We look forward to cheering you on, it's been a great season watching from the sidelines! Best of luck to our 8th Graders.
![Girls' Volleyball Wraps Up their Season]([{"url":"https://resources.finalsite.net/images/f_auto,q_auto,t_image_size_1/v1761580949/mountainsideschoolsorg/o3ybov0qbhpx1r3y0ljo/Volleyball8thGraders.jpg","width":256},{"url":"https://resources.finalsite.net/images/f_auto,q_auto,t_image_size_2/v1761580949/mountainsideschoolsorg/o3ybov0qbhpx1r3y0ljo/Volleyball8thGraders.jpg","width":512},{"url":"https://resources.finalsite.net/images/f_auto,q_auto/v1761580949/mountainsideschoolsorg/o3ybov0qbhpx1r3y0ljo/Volleyball8thGraders.jpg","width":640}])
Congratulations to our Girls' Volleyball team, and best of luck to our 8th Graders next year if they chose to keep playing. We had a terrific season!
![Fall Festival Poster Contest]([{"url":"https://resources.finalsite.net/images/f_auto,q_auto,t_image_size_1/v1760452779/mountainsideschoolsorg/ycnbttlkeu2xpgxjwm85/FallFestivalPosters.jpg","width":256},{"url":"https://resources.finalsite.net/images/f_auto,q_auto,t_image_size_2/v1760452779/mountainsideschoolsorg/ycnbttlkeu2xpgxjwm85/FallFestivalPosters.jpg","width":512},{"url":"https://resources.finalsite.net/images/f_auto,q_auto/v1760452779/mountainsideschoolsorg/ycnbttlkeu2xpgxjwm85/FallFestivalPosters.jpg","width":640}])
The PTO hosted their annual Fall Festival on a beautiful day, and classes got creative with their submissions for the poster contest. It was a great day of family fun and incredible fundraising that supports our schools.
![Plastic Collection with a Purpose]([{"url":"https://resources.finalsite.net/images/f_auto,q_auto,t_image_size_1/v1760452527/mountainsideschoolsorg/e4tvvwrxajdbj1ojhvby/PlasticCollection.jpg","width":256},{"url":"https://resources.finalsite.net/images/f_auto,q_auto,t_image_size_2/v1760452527/mountainsideschoolsorg/e4tvvwrxajdbj1ojhvby/PlasticCollection.jpg","width":512},{"url":"https://resources.finalsite.net/images/f_auto,q_auto,t_image_size_3/v1760452527/mountainsideschoolsorg/e4tvvwrxajdbj1ojhvby/PlasticCollection.jpg","width":800},{"url":"https://resources.finalsite.net/images/f_auto,q_auto,t_image_size_4/v1760452527/mountainsideschoolsorg/e4tvvwrxajdbj1ojhvby/PlasticCollection.jpg","width":1200},{"url":"https://resources.finalsite.net/images/f_auto,q_auto/v1760452527/mountainsideschoolsorg/e4tvvwrxajdbj1ojhvby/PlasticCollection.jpg","width":1400}])
The Deerfield NexTrex Plastic Volunteers report that there are about 630 lbs. of plastic to be collected by January 8th 2026 to earn our school a bench. That's about 52 lbs. per week! This week we collected 58 lbs. with your help! Let's keep up the excellent work!
![Full STEAM ahead!]([{"url":"https://resources.finalsite.net/images/f_auto,q_auto,t_image_size_1/v1759163403/mountainsideschoolsorg/mx9p6zg6niysnwprczwh/STEAMclass.jpg","width":256},{"url":"https://resources.finalsite.net/images/f_auto,q_auto,t_image_size_2/v1759163403/mountainsideschoolsorg/mx9p6zg6niysnwprczwh/STEAMclass.jpg","width":512},{"url":"https://resources.finalsite.net/images/f_auto,q_auto,t_image_size_3/v1759163403/mountainsideschoolsorg/mx9p6zg6niysnwprczwh/STEAMclass.jpg","width":800},{"url":"https://resources.finalsite.net/images/f_auto,q_auto,t_image_size_4/v1759163403/mountainsideschoolsorg/mx9p6zg6niysnwprczwh/STEAMclass.jpg","width":1200},{"url":"https://resources.finalsite.net/images/f_auto,q_auto/v1759163403/mountainsideschoolsorg/mx9p6zg6niysnwprczwh/STEAMclass.jpg","width":1400}])
![Mountainside Schools welcome our new Superintendent, Mr. Christopher Kinney]([{"url":"https://resources.finalsite.net/images/f_auto,q_auto,t_image_size_1/v1752216263/mountainsideschoolsorg/qscma320rdl0cproevqq/Kinneyphoto1_1.jpg","width":256},{"url":"https://resources.finalsite.net/images/f_auto,q_auto,t_image_size_2/v1752216263/mountainsideschoolsorg/qscma320rdl0cproevqq/Kinneyphoto1_1.jpg","width":512},{"url":"https://resources.finalsite.net/images/f_auto,q_auto,t_image_size_3/v1752216263/mountainsideschoolsorg/qscma320rdl0cproevqq/Kinneyphoto1_1.jpg","width":800},{"url":"https://resources.finalsite.net/images/f_auto,q_auto,t_image_size_4/v1752216263/mountainsideschoolsorg/qscma320rdl0cproevqq/Kinneyphoto1_1.jpg","width":1200},{"url":"https://resources.finalsite.net/images/f_auto,q_auto/v1752216263/mountainsideschoolsorg/qscma320rdl0cproevqq/Kinneyphoto1_1.jpg","width":1201}])
![Letter from our Principal, Mrs. Jenks]([{"url":"https://resources.finalsite.net/images/f_auto,q_auto,t_image_size_1/v1755456157/mountainsideschoolsorg/dslxqd3sdllyrtj81wbh/Screenshot2025-08-17at23245PM.png","width":256},{"url":"https://resources.finalsite.net/images/f_auto,q_auto/v1755456157/mountainsideschoolsorg/dslxqd3sdllyrtj81wbh/Screenshot2025-08-17at23245PM.png","width":395}])
![Deerfield School Recognition]([{"url":"https://resources.finalsite.net/images/f_auto,q_auto,t_image_size_1/v1752216010/mountainsideschoolsorg/fpnvqdqdgrlwlhzod124/BlueRibbonbanner.jpg","width":256},{"url":"https://resources.finalsite.net/images/f_auto,q_auto,t_image_size_2/v1752216010/mountainsideschoolsorg/fpnvqdqdgrlwlhzod124/BlueRibbonbanner.jpg","width":512},{"url":"https://resources.finalsite.net/images/f_auto,q_auto/v1752216010/mountainsideschoolsorg/fpnvqdqdgrlwlhzod124/BlueRibbonbanner.jpg","width":701}])
Deerfield School was recognized by the US Department of Education as a 2024 National Blue Ribbon School!!! Deerfield School is one of 9 public schools in New Jersey, and the only one in Union County, to receive this prestigious recognition this year, which highlights schools that excel in academic performance.