year 2021, a new uniform/PE polo shirt was introduced and took over as the PE attire. It can also be used as the top for uniforms. Note that it does not have a band of cloth for students to pin their nametags and students are not required to when using the polo. It is a dark blue, cyan and white shirt with the school logo at where the breast pocket would be. The back is dark blue with the school motto 'Ad Veritatem Per Caritatem' spelled in cyan. The collar is dark blue and cyan In the way of footwear, for any attire, students are expected to wear practical athletic shoes capable of facilitating athletic activities. Shoes can only be in an acceptable shade of white, if not white, with no discernible markings or branding in a hue significantly different from that of the shoe as a whole. Socks, white/close to white and plain of design, must be worn. Discipline Anyone whose offences include any misbehaviour contrary to the good order and discipline of the school will receive a punishment to be decided by the School Student Management Committee. Students may be punished by detention, caning (for boys only) or suspension depending on their offence. Students found smoking will receive a three-day suspension along with a referral to an external agency. Other serious offences include (but are not limited to) vandalism, gangsterism, arson, forgery, fighting or any other police cases. School crest The current school crest is a shining star with a boat underneath it, to represent the school as the "Star of the Sea". A banner contains the Latin words, Ad Veritatem Per Caritatem (To truth (God) through charity) below the logo. The school crest was created in 1959 under the name, Hai Sing Girls' School. After they changed their policy to accept boys and students of other races in 1990, the school crest was redesigned under the name Hai Sing Catholic School in 1992 after changing it from Hai Sing High School. Anthem Hai Sing Catholic School has two school anthems. The school song was originally in Chinese but is now sung in English and Chinese during assemblies. The school hymn is fully in English. The songs are sung on Monday and Wednesday, respectively. Hai Carnival An annual event called the Hai Carnival is held usually during August. The school holds the event yearly with classes from Secondary