Osceola is a small town strung along Lincolnway West between Mishawaka and Elkhart, the old Lincoln Highway route that still carries local traffic across eastern St. Joseph County. Tera Lee's Formals sits right on that road, and its homepage makes a big promise for a building in a town this size. Tera Lee's claims the title of largest prom store in the state, with more than 5,000 gowns in stock, and families from across north central Indiana and southwest Michigan come to see the racks for themselves.
The store keeps its focus narrow. Every dress on the floor is new, and every one is meant for a high school occasion: homecoming in the fall, winter formal, then prom. There is no bridal department competing for space.
Sizes, labels and prices
Sizes on hand run from 000 to 32, kept in stock rather than left to special order, and the store's designer menu covers both the straight-size side and the plus-size end, where two lines are cut specifically for fuller figures.
Straight sizes
- Amarra
- Alyce Paris
- Ava Presley
- Jasz Couture
- Jovani
- La Femme
- Portia & Scarlett
- Abby Paris
- Jadore Evening
- Kate Parker
- Lucci Lu
- Starielle
The plus-size end
- Sydney's Closet
- Sydney's Tease
- Johnathan Kayne for Sydney's Closet
- Prom gowns
- More than 5,000 in stock, sorted online into Spring 2025 and Spring 2026 styles
- Homecoming and winter formal
- Thousands of short and formal dresses in stock
- Size range
- 000 through 32 on hand
- Featured Amarra prom styles
- Roughly $499 to $698
- Amarra couture pieces
- $2,798 to $4,500
Most of the featured prom styles sit in the mid-hundreds, and the store makes a point of working with whatever a family has set aside.
No matter the budget we will find the perfect dress for you!
Tera Lee's prints that promise on its homepage, right under the size range. The online catalog, which lists close to 800 products, is a good place to shortlist styles by color or silhouette before the visit. Filters cover beaded gowns, ball gowns, one-shoulder and strapless necklines, ruffles and high slits. Each listing carries a style number and a price, so a shopper can save a handful of favorites and bring the list to the appointment.
How a visit works
Tera Lee's runs on appointments, booked by phone call or text; the banner across the top of the website says so before anything else. During the summer stretch, which ran from May 16 to September 5 in 2026, the store is open by appointment only. Regular in-season hours resume after that, with the fall weeks given over to homecoming and winter formal before the prom collections take over.
The location puts several big proms within reach. Penn High School, the Penn-Harris-Madison campus that serves Osceola, is the closest large school, and Jimtown High School is just east in Baugo Township. Mishawaka High School and Marian sit to the west, while Elkhart High School, Concord and Northridge draw families from the Elkhart County side. Edwardsburg and Niles, across the Michigan line, are close as well.
Booking at Tera Lee's
How far does the size range go?
From 000 up to 32, all kept on hand, with Sydney's Closet and Sydney's Tease on the designer list for fuller figures.
What if the dress doesn't work out?
Every sale is final. The store's returns page rules out both refunds and exchanges, so take time in the fitting room before buying.