Featured
Dave & Johnny
Dave & Johnny 11651 Prom Dress
$422
Sierra School of Main Street Prom & Homecoming Dresses
School colors: we haven’t verified this school’s official colors yet — classic and metallic picks below work for any palette.
Sierra School of Main Street is a private high school in Longmont, CO (Boulder County) serving about 40 students. Every dress below is live Heather’s Boutique inventory, shipped from our Oconomowoc, Wisconsin boutique to Colorado. Once this school’s official colors are verified, this page adds exact-match and complementary color shelves automatically.
Address 820 Main St, Longmont, CO 80501
Homecoming 2026
Not yet announced
We haven’t verified this school’s homecoming date yet. We update as schools publish their calendars.
Prom 2027
Not yet announced
We haven’t verified this school’s prom date yet. We update as schools publish their calendars.
Classic & Neutral
Featured
Dave & Johnny
Dave & Johnny 11975 Prom Dress
$360
Heather's Boutique
Black Regal Statement Rhinestones and Draped Hem Mini Dress
$140
Heather's Boutique
Daring Scene Black Rhinestones and Draped Hem Statement Mini Dress
$140
Heather's Boutique
Modern Night Black Statement Rhinestones Mini Dress
$140
Heather's Boutique
Enchanted Spark Black Draped Hem Party Mini Dress
$140
Heather's Boutique
Black Rhinestones Starlit Celebration After-Dark Mini Dress
$140
Heather's Boutique
Magnetic Muse Black Draped Hem Evening Mini Dress
$140
Metallics
Sale
Nox Anabel
Nox Anabel R1236 Dress
Sale
Nox Anabel
Nox Anabel K822 Dress
Lara New York
Embellished Cocktail Dress with V-Neckline
$298
Ladivine
Ladivine B2352 Dress
$59
AMORIS
AMORIS T701 Dress
$145
Dave & Johnny
Dave & Johnny 12034 Prom Dress
$297
Nox Anabel
Glitter Dusted Satin Sequined Embellishments Illusion Plunge
$207
Lara New York
One Shoulder Metallic Dress
$440
Other High Schools Near Sierra School of Main Street
Sierra School of Main Street Dress FAQ
When is Sierra School of Main Street Homecoming 2026?
The date hasn't been announced or verified yet. We monitor official school sources and update this page as soon as it's confirmed.
When is Sierra School of Main Street Prom 2027?
Not yet announced. We check official school sources regularly and post the date once it's verified.
Where can I buy dresses for Sierra School of Main Street dances?
Heather's Boutique ships nationwide — every dress above is live inventory available for delivery to Colorado.
School identity data: National Center for Education Statistics (Private School Universe Survey).
Colors and event details appear only after verification from official school sources.