The Alumni seal consists of two (2) circles within which the following are inscribed:

Between the two circles the words "Holy Cross of Davao College Alumni Association, Inc." are shown in circular form.

1956 - the year the school had its first graduates.

The Cross - distinguishes the graduates as true Holy Crossians. Its brilliance radiates the desire of everyone to be of service to the community.

The color white, red and sky blue in the background of the Cross symbolize Christ's glory and suffering on the cross and Virgin Mary, the Mother of Christ.

The word Alumni refers to the graduates of the school since 1956 to the present.