| Walter Panas High School | |
| Motto: | One School, One Family. |
| Established: | 1972 |
| Type: | Public High School |
| Superintendent: | Karen Gagliardi |
| Principal: | Joseph Spero [1] |
| Faculty: | 75.34 (FTE) |
| Rival: | Lakeland High School |
| Enrollment: | 901 (2022–23)[2] |
| Ratio: | 11.96 |
| Grades: | 9-12 |
| Streetaddress: | 300 Croton Avenue |
| City: | Cortlandt Manor |
| State: | New York |
| Zipcode: | 10567 |
| Country: | United States |
| District: | Lakeland Central School District |
| Accreditation: | Board of Regents of the University of the State of New York |
| Campus: | Suburban |
| Colors: | Blue and Gold |
| Athletics: | Section 1 (NYSPHSAA) |
| Nickname: | Panthers |
| Yearbook: | Pawprints |
| Newspaper: | Panther Post |
| Publication: | "Calliope" Literary Magazine |
Walter Panas High School is a comprehensive, four-year public high school serving students in grades 9–12 in Cortlandt Manor, New York, USA. It was opened in 1972, becoming the second high school to serve the Lakeland Central School District. It is a sister school to Lakeland High School of Shrub Oak, New York.
In 2015, students took 481 AP exams, with over 50% scoring a 3 (out of 5) or better. There were over 30 AP Scholars.[3]
Walter Panas sports teams include: Boys and Girls Cross Country; Boys Varsity & JV Football; Boys Varsity & JV Basketball; Girls Varsity & JV Basketball; Freshman Boys & Girls Basketball; Boys Varsity, JV, and Freshman Baseball; Varsity & JV Cheerleading; Girls Varsity & JV Softball; Girls Varsity & JV Volleyball; Boys Varsity & JV Soccer; Girls Varsity & JV Soccer; Girls Varsity Field Hockey; Girls Varsity & JV Lacrosse; Boys Varsity & JV Lacrosse; Ice Hockey; Boys & Girls Swimming, Wrestling, Gymnastics, Bowling, Winter Track and field and Girls and Boys Varsity Tennis.[4]