| CAV Senior Secondary School | |
| Pushpin Map: | India Haryana#India |
| Pushpin Mapsize: | 200px |
| Pushpin Map Caption: | CAV School in Haryana, India |
| Coordinates: | 29.1583°N 75.7161°W |
| City: | Balsamand Rd, Hisar |
| State: | Haryana |
| Postalcode: | 125001 |
| Country: | India |
| Schooltype: | High school |
| Fundingtype: | Public |
| Religious Affiliation: | Arya Samaj |
| Founder: | Lala Chandulal Tayal |
| Status: | Open |
| Sister School: | CAV Primary School and D N Model School |
| Authority: | DAV Schools System |
| Gender: | Co-educational |
| Language: | Hindi, English, Sanskrit |
| Campus Type: | Day school |
| Affiliations: | Central Board of Secondary Education |
CAV High School, also known as Chandulal Anglo-Vedic High School, is a high school located in Hisar city of Haryana, India. It is the oldest school in Hisar still in operation.[1] It is run and funded by DAV College Managing Committee.[2] In 2004–05, committee started another wing with the name of CAV Senior Secondary School for class XI and XII.
Under the same committee, there is another private public school is also running named D N Model School and recently they have started CAV Primary School.
The school was started on 1 April 1918, by members of Arya Samaj in Hisar.[1] It was named after Lala Chandulal Tayal. Donations came from Seth Chhaju Ram and Lala Lajpat Rai and land was donated by Harilal Tayal, younger brother of Chandulal Tayal.[1] The school is affiliated to Haryana Board of School Education. The school is a Privately Funded Public School run by the not-for-profit trust Dayanand Anglo-Vedic Schools System.