Well, you are young so I guess you can't really do the high fancy stuff,
Imbolc is a time of celebration and ritual, often honoring Brighid, the goddess of the hearth. This is also a time of new beginnings and of purification. Celebrate the Imbolc season by performing rites and rituals that honor the themes of the end of winter.
This is a great link to a great ritual for solitary witches:
Say goodbye to winter and hello to summer with this ritual:
I find these very easy and quick. Maybe have some grape juice and some cookies and cakes to eat while done! :)
Bright Blessings and Good Health!