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Sierra School Of Main Street

Private, Nonsectarian Grades 1-12

Students ?

8.0

Student/teacher ratio ?

820 Main St
Longmont, CO 80501-8014

(303) 678-5662

Racial breakdown:

White:

67.5%

Hispanic:

25.0%

Asian:

5.0%

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Schools Near Sierra School Of Main Street

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Ranking:

E Elementary M Middle H High A Alternative P Private

School	Students/Teachers	Per Pupil Expenditures (2025)
Sierra School Of Main Street	Private, Nonsectarian	1-12	820 Main St	Longmont	80501	Boulder County	(303) 678-5662	40	5	8.0	27 (67.5%)	1 (2.5%)	10 (25.0%)	2 (5.0%)	0 (0.0%)	0 (0.0%)	0 (0.0%)
Hopewell Baptist Academy	Private, Baptist	5-12	1146 Kimbark St	Longmont	80501	Boulder County	(303) 651-1325	5	1	5.0	3 (60.0%)	0 (0.0%)	0 (0.0%)	0 (0.0%)	0 (0.0%)	0 (0.0%)	2 (40.0%)
St John The Baptist Catholic School	Private, Roman Catholic	PK, KG-8	350 Emery St	Longmont	80501	Boulder County	(303) 772-3376	213	18	10.2	0 (0.0%)	0 (0.0%)	0 (0.0%)	0 (0.0%)	0 (0.0%)	0 (0.0%)	0 (0.0%)
Crossroads School	Private, Christian (no specific denomination)	7-12	833 15th Ave	Longmont	80501	Boulder County	(303) 709-9881	30	5	6.6	25 (83.3%)	2 (6.7%)	1 (3.3%)	0 (0.0%)	0 (0.0%)	0 (0.0%)	2 (6.7%)
Longmont Christian School	Private, Christian (no specific denomination)	PK, KG-8	1440 Collyer St	Longmont	80501	Boulder County	(303) 776-3254	68	13	3.6	36 (52.9%)	0 (0.0%)	7 (10.3%)	1 (1.5%)	0 (0.0%)	0 (0.0%)	3 (4.4%)
Gateway Montessori School	Private, Nonsectarian	PK-K	1500 9th Ave	Longmont	80501	Boulder County	(303) 772-3864	63	1	11.1	10 (15.9%)	0 (0.0%)	0 (0.0%)	0 (0.0%)	0 (0.0%)	0 (0.0%)	0 (0.0%)
The Cottage School - Terry	Private, Nonsectarian	K	1941 Terry St	Longmont	80501	Boulder County	(303) 651-3780	3	1	3.0	1 (33.3%)	0 (0.0%)	2 (66.7%)	0 (0.0%)	0 (0.0%)	0 (0.0%)	0 (0.0%)
Kindercare	Private, Nonsectarian	PK-K	851 Crisman Dr	Longmont	80501	Boulder County	(303) 651-1008
Mountain Peak Private School	Private, Nonsectarian	PK, KG-5	1833 Sunset Pl Ste E	Longmont	80501	Boulder County	(720) 494-1622
Desiderata School	Private, Nonsectarian	6-12	8979 Nelson Rd	Longmont	80503	Boulder County	(303) 678-9335	18	2	9.0	18 (100.0%)	0 (0.0%)	0 (0.0%)	0 (0.0%)	0 (0.0%)	0 (0.0%)	0 (0.0%)

Frequently Asked Questions about Sierra School Of Main Street

What is the racial makeup of Sierra School Of Main Street?

Students at Sierra School Of Main Street are 68% White, 25% Hispanic, 5% Asian, 3% African American.

How many students attend Sierra School Of Main Street?

In the 2021-22 school year, 40 students attended Sierra School Of Main Street.

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Latest Colorado data All new data »

2025–26 attendance dataNewOct 6, 2026

2025–26 CMAS, PSAT10, PSAT9 & SAT test scoresAug 19, 2026

2024–25 school spending dataJun 13, 2026

2024–25 dropout rates & graduation ratesJan 13, 2026

SchoolDigger data sources: National Center for Education Statistics, U.S. Department of Education, the U.S. Census Bureau and the Colorado Department of Education.

IMPORTANT DISCLAIMERS: Not all boundaries are included. We make every effort to ensure that boundaries are up-to-date. But it's important to note that these are approximations and are for general informational purposes only. To verify legal descriptions of boundaries or school locations, contact your local tax assessor's office and/or school district.

Diagnostics

School								Students/Teachers											Per Pupil Expenditures (2025)
Name	Type	Grades	Address	City	Zip	County	Phone	Enrollment	Full-time Teachers	Student/ Teacher Ratio	Free/Discounted Lunch Recipients	White	Black	Hispanic	Asian	American Indian	Pacific Islander	Two or More Races	Total
Sierra School Of Main Street	Private, Nonsectarian	1-12	820 Main St	Longmont	80501	Boulder County	(303) 678-5662	40	5	8.0		27 (67.5%)	1 (2.5%)	10 (25.0%)	2 (5.0%)	0 (0.0%)	0 (0.0%)	0 (0.0%)
Hopewell Baptist Academy	Private, Baptist	5-12	1146 Kimbark St	Longmont	80501	Boulder County	(303) 651-1325	5	1	5.0		3 (60.0%)	0 (0.0%)	0 (0.0%)	0 (0.0%)	0 (0.0%)	0 (0.0%)	2 (40.0%)
St John The Baptist Catholic School	Private, Roman Catholic	PK, KG-8	350 Emery St	Longmont	80501	Boulder County	(303) 772-3376	213	18	10.2		0 (0.0%)	0 (0.0%)	0 (0.0%)	0 (0.0%)	0 (0.0%)	0 (0.0%)	0 (0.0%)
Crossroads School	Private, Christian (no specific denomination)	7-12	833 15th Ave	Longmont	80501	Boulder County	(303) 709-9881	30	5	6.6		25 (83.3%)	2 (6.7%)	1 (3.3%)	0 (0.0%)	0 (0.0%)	0 (0.0%)	2 (6.7%)
Longmont Christian School	Private, Christian (no specific denomination)	PK, KG-8	1440 Collyer St	Longmont	80501	Boulder County	(303) 776-3254	68	13	3.6		36 (52.9%)	0 (0.0%)	7 (10.3%)	1 (1.5%)	0 (0.0%)	0 (0.0%)	3 (4.4%)
Gateway Montessori School	Private, Nonsectarian	PK-K	1500 9th Ave	Longmont	80501	Boulder County	(303) 772-3864	63	1	11.1		10 (15.9%)	0 (0.0%)	0 (0.0%)	0 (0.0%)	0 (0.0%)	0 (0.0%)	0 (0.0%)
The Cottage School - Terry	Private, Nonsectarian	K	1941 Terry St	Longmont	80501	Boulder County	(303) 651-3780	3	1	3.0		1 (33.3%)	0 (0.0%)	2 (66.7%)	0 (0.0%)	0 (0.0%)	0 (0.0%)	0 (0.0%)
Kindercare	Private, Nonsectarian	PK-K	851 Crisman Dr	Longmont	80501	Boulder County	(303) 651-1008
Mountain Peak Private School	Private, Nonsectarian	PK, KG-5	1833 Sunset Pl Ste E	Longmont	80501	Boulder County	(720) 494-1622
Desiderata School	Private, Nonsectarian	6-12	8979 Nelson Rd	Longmont	80503	Boulder County	(303) 678-9335	18	2	9.0		18 (100.0%)	0 (0.0%)	0 (0.0%)	0 (0.0%)	0 (0.0%)	0 (0.0%)	0 (0.0%)