I want to know if there is an age rule for CCD class. Such as you are 5 years old, so you can only be in Kindergarten CCD class? My childern started CCD at age 3. We then moved to a church closer to our home. Now they want to make my child repeat Kindergarten CCD. They say she will be too young to go through 1st Communion at age 7 in two years.
As to the first reception of Holy Communion, perhaps you might discuss this with the pastor. Several canons will be relevant to the issue of age but also preparation and understanding, since it is the latter two which Church law highlights. Note the role of the parents and the pastor.
In general . . .
Canon 912 Any baptized person who is not prohibited by law can and must be admitted to Holy Communion.
Canon 843 §1. Sacred ministers cannot deny the sacraments to those who seek them at appropriate times, are properly disposed, and are not prohibited by law from receiving them. §2. Pastors of souls and other members of the Christian faithful, according to their respective ecclesiastical function, have the duty to take care that those who seek the sacraments are prepared to receive them by proper evangelization and catechetical instruction, attentive to the norms issued by competent authority.
As to the Eucharist specifically. . .
Canon 913 §1. The administration of the Most Holy Eucharist to children requires that they have sufficient knowledge and careful preparation so that they understand the mystery of Christ according to their capacity and are able to receive the Body of Christ (Domini) with faith and devotion. . . .
Canon 914 It is the responsibility, in the first place, of parents and those who take the place of parents as well as of the pastor to see that children who have reached the use of reason are correctly prepared and are nourished by the divine food as early as possible, preceded by sacramental confession; it is also for the pastor to be vigilant lest any children come to the Holy Banquet who have not reached the use of reason or whom he judges are not sufficiently disposed.
The sufficient use of reason is generally presumed to be around 7 (canon 11).