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Casa Dia Montessori

Private, Nonsectarian Grades PK-K

Students ?

2.9

Student/teacher ratio ?

10109 Watson Rd
Saint Louis, MO 63127

(314) 835-9500

Racial breakdown:

Not Specified:

100.0%

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Schools Near Casa Dia Montessori

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Ranking:

E Elementary M Middle H High A Alternative P Private

School	Students/Teachers	Per Pupil Expenditures (2025)
Casa Dia Montessori	Private, Nonsectarian	PK-K	10109 Watson Rd	Saint Louis	63127	St. Louis County	(314) 835-9500
St John Vianney High School	Private, Roman Catholic, Boys	9-12	1311 S Kirkwood Rd	Kirkwood	63122	St. Louis County	(314) 965-4853	581	50	11.6	520 (89.5%)	18 (3.1%)	20 (3.4%)	3 (0.5%)	0 (0.0%)	0 (0.0%)	20 (3.4%)
St Justin Martyr School	Private, Roman Catholic	PK, KG-8	11914 Eddie And Park Rd	Saint Louis	63126	St. Louis County	(314) 843-6447	206	14	11.7	0 (0.0%)	0 (0.0%)	0 (0.0%)	0 (0.0%)	0 (0.0%)	0 (0.0%)	0 (0.0%)
Thomas Jefferson School	Private, Nonsectarian	7-12	4100 S Lindbergh Blvd	Saint Louis	63127	St. Louis County	(314) 635-2344	74	19	3.9	35 (47.3%)	3 (4.1%)	2 (2.7%)	15 (20.3%)	4 (5.4%)	0 (0.0%)	15 (20.3%)
Christ Community Lutheran School	Private, Lutheran Church - Missouri Synod	PK, KG-8	110 W Woodbine Ave	Kirkwood	63122	St. Louis County	(314) 822-7774	731	26	17.1	0 (0.0%)	0 (0.0%)	0 (0.0%)	0 (0.0%)	0 (0.0%)	0 (0.0%)	0 (0.0%)
Green Tree Montessori	Private, Nonsectarian	PK-K	11232 Big Bend Rd	Kirkwood	63122	St. Louis County	(314) 821-8733	17	1	1.0	0 (0.0%)	0 (0.0%)	0 (0.0%)	0 (0.0%)	0 (0.0%)	0 (0.0%)	0 (0.0%)
Ursuline Academy	Private, Roman Catholic, Girls	9-12	341 S Sappington Rd	Saint Louis	63122	St. Louis County	(314) 984-2800	363	31	11.7	326 (89.8%)	6 (1.7%)	20 (5.5%)	3 (0.8%)	1 (0.3%)	0 (0.0%)	7 (1.9%)
Queen Of The Holy Rosary Academy	Private, Roman Catholic	PK, KG-8	393 W Old Watson Rd	Saint Louis	63119	St. Louis County	(314) 961-5444	55	8	6.0	43 (78.2%)	1 (1.8%)	1 (1.8%)	2 (3.6%)	0 (0.0%)	0 (0.0%)	1 (1.8%)
St Peter's Catholic School	Private, Roman Catholic	PK, KG-8	215 N Clay Ave	Saint Louis	63122	St. Louis County	(314) 821-0460
Christ Community Lutheran School	Private, Lutheran Church - Missouri Synod	PK, KG-4	8749 Watson Rd	Webster Groves	63119	St. Louis County	(314) 961-6595	290	14	16.6	225 (77.6%)	4 (1.4%)	0 (0.0%)	0 (0.0%)	0 (0.0%)	0 (0.0%)	1 (0.3%)

Frequently Asked Questions about Casa Dia Montessori

What is the racial makeup of Casa Dia Montessori?

Students at Casa Dia Montessori are 100% Not Specified.

How many students attend Casa Dia Montessori?

In the 2017-18 school year, 62 students attended Casa Dia Montessori.

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Latest Missouri data All new data »

2022–23 through 2024–25 school spending dataJan 8, 2026

2024–25 attendance data, dropout rates & graduation ratesJan 6, 2026

2024–25 MAP test scoresNov 6, 2025

2023–24 attendance data, dropout rates & graduation ratesNov 26, 2024

SchoolDigger data sources: National Center for Education Statistics, U.S. Department of Education, the U.S. Census Bureau and the Missouri Department of Elementary and Secondary 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
Casa Dia Montessori	Private, Nonsectarian	PK-K	10109 Watson Rd	Saint Louis	63127	St. Louis County	(314) 835-9500
St John Vianney High School	Private, Roman Catholic, Boys	9-12	1311 S Kirkwood Rd	Kirkwood	63122	St. Louis County	(314) 965-4853	581	50	11.6		520 (89.5%)	18 (3.1%)	20 (3.4%)	3 (0.5%)	0 (0.0%)	0 (0.0%)	20 (3.4%)
St Justin Martyr School	Private, Roman Catholic	PK, KG-8	11914 Eddie And Park Rd	Saint Louis	63126	St. Louis County	(314) 843-6447	206	14	11.7		0 (0.0%)	0 (0.0%)	0 (0.0%)	0 (0.0%)	0 (0.0%)	0 (0.0%)	0 (0.0%)
Thomas Jefferson School	Private, Nonsectarian	7-12	4100 S Lindbergh Blvd	Saint Louis	63127	St. Louis County	(314) 635-2344	74	19	3.9		35 (47.3%)	3 (4.1%)	2 (2.7%)	15 (20.3%)	4 (5.4%)	0 (0.0%)	15 (20.3%)
Christ Community Lutheran School	Private, Lutheran Church - Missouri Synod	PK, KG-8	110 W Woodbine Ave	Kirkwood	63122	St. Louis County	(314) 822-7774	731	26	17.1		0 (0.0%)	0 (0.0%)	0 (0.0%)	0 (0.0%)	0 (0.0%)	0 (0.0%)	0 (0.0%)
Green Tree Montessori	Private, Nonsectarian	PK-K	11232 Big Bend Rd	Kirkwood	63122	St. Louis County	(314) 821-8733	17	1	1.0		0 (0.0%)	0 (0.0%)	0 (0.0%)	0 (0.0%)	0 (0.0%)	0 (0.0%)	0 (0.0%)
Ursuline Academy	Private, Roman Catholic, Girls	9-12	341 S Sappington Rd	Saint Louis	63122	St. Louis County	(314) 984-2800	363	31	11.7		326 (89.8%)	6 (1.7%)	20 (5.5%)	3 (0.8%)	1 (0.3%)	0 (0.0%)	7 (1.9%)
Queen Of The Holy Rosary Academy	Private, Roman Catholic	PK, KG-8	393 W Old Watson Rd	Saint Louis	63119	St. Louis County	(314) 961-5444	55	8	6.0		43 (78.2%)	1 (1.8%)	1 (1.8%)	2 (3.6%)	0 (0.0%)	0 (0.0%)	1 (1.8%)
St Peter's Catholic School	Private, Roman Catholic	PK, KG-8	215 N Clay Ave	Saint Louis	63122	St. Louis County	(314) 821-0460
Christ Community Lutheran School	Private, Lutheran Church - Missouri Synod	PK, KG-4	8749 Watson Rd	Webster Groves	63119	St. Louis County	(314) 961-6595	290	14	16.6		225 (77.6%)	4 (1.4%)	0 (0.0%)	0 (0.0%)	0 (0.0%)	0 (0.0%)	1 (0.3%)