For ninth through twelfth grades, public school students attend Lenape Valley Regional High School, which serves students from Netcong and from the Sussex County communities of Byram Township and Stanhope. As of the 2018–19 school year, the high school had an enrollment of 691 students and 58.0 classroom teachers (on an FTE basis), for a student–teacher ratio of 11.9:1. Seats on the high school district's nine-member board of education are allocated based on the populations of the constituent municipalities, with two seats assigned to Netcong. Netcong residents previously attended Netcong High School. The school closed in 1974 and the building became Netcong Elementary School. Michael School is a Catholic school operated under the auspices of the Roman Catholic Diocese of Paterson, that was founded in 1923, and staffed by the Sisters of Christian Charity of Mendham starting in 1945. The school merged with 4 other elementary schools, moved to the campus at Pope John XXIII Regional High School in Sparta, NJ, and closed at the end of the school year in June, 2016. The patron saint of the borough is St. Cesario deacon and martyr of Terracina. In 1893 some Italian immigrants left their hometown of Cesa, a province of Caserta (Italy), to come to the United States. They settled in Netcong, attracted by job opportunities at the Singer Steel Foundry, and in the construction of the railroad which was replacing the Morris Canal as a means of transportation. They established the "St. Cesario Society" in 1902 in honor of their hometown's patron saint, Cesario deacon and martyr. Saint Cesario is venerated in St. Michael Church of Netcong; a bone fragment with the Latin cartouche "ex ossibus S. Caesarii diac. m." is preserved in this church, set in a silver reliquary, solemnly exposed on the high altar for the feast, celebrated on the penultimate Saturday of July. In Saint Michael's Church also includes a wooden statue of St. Cesario, a stained glass window and an icon (in the Sacristy) depicting the martyr. On June 6, 2019, the mayor of Netcong, Joe Nametko, signed the Pact of Sister Cities with Cesa, in honor of St. Cesario.  , the borough had a total of of roadways, of which were maintained by the municipality, by Morris County and by the New Jersey Department of Transportation.