Discovery Isle Preschool is located on Rush Dr., behind Campus Market Place and across from CSUSM in San Marcos, CA.
We specialize in child care that nurtures children from 6 weeks through Pre-K, offering a balanced blend of structured play and learning in a secure, engaging environment.
Our commitment extends to the San Marcos, Village O, Richland, Mesa Rock, Vineyard, CSUSM, Escondido, and Vista communities and beyond.
Our preschool goes beyond typical child care by fostering a loving environment where every child can thrive.
Contact us to schedule a visit and see what sets us apart!.
Quick Facts (2026)
- School Type: Early Childhood / Day Care
- Grades: Nursery/Preschool-Prekindergarten
- Application Deadline: None / Rolling
- Source: National Center for Education Statistics (NCES)
School Overview
School Type
Grades Offered
Grades Nursery/Preschool-Prekindergarten
Year Founded
2001
Student Body
Student Body Type
Co-ed
Tuition and Acceptance Rate
Admission Deadline
None / Rolling
Source: National Center for Education Statistics (NCES)
Frequently Asked Questions
When is the application deadline for Discovery Isle Twin Oaks-San Marcos?
The application deadline for Discovery Isle Twin Oaks-San Marcos is rolling (applications are reviewed as they are received year-round).
Nearby ²ÝÁñÉçÇø Schools
The nearest high school to Discovery Isle Twin Oaks-San Marcos is Teri, Inc. The Country School (1.5 miles away)
The nearest elementary school is Aliso Viejo Christian School (1.4 miles away)
The nearest preschool is Center for Children & Families at Cal State San Marcos (0.9 miles away)
Show me:
School
Location
Miles
Quick Facts
Center for Children & Families at Cal State San Marcos
Daycare / Preschool
453 La Moree Rd
San Marcos, CA 92078
(760) 750-8750
San Marcos, CA 92078
(760) 750-8750
0.9 miles
Gr: NS-PK
1 Orion
Aliso Viejo, CA 92656
(949) 389-0300
Aliso Viejo, CA 92656
(949) 389-0300
1.4 miles
Gr: K-8 | 423 students Avg. class size: 20 students Sports: 9 | Extracurrculars: 11 Tuition listed
Teri, Inc. The Country School
Special Education School
1145 Lin Da Vista Dr Ste 105
San Marcos, CA 92078
(760) 331-9116
San Marcos, CA 92078
(760) 331-9116
1.5 miles
Gr: 6-12 | 21 students Avg. class size: 12 students Tuition & acceptance rate listed
1350 Discovery St
San Marcos, CA 92078
(760) 744-0207
San Marcos, CA 92078
(760) 744-0207
1.9 miles
Gr: K-8 | 160 students Avg. class size: 160 students Sports: 3 | Extracurrculars: 1 Tuition & acceptance rate listed
North County Christian School
(Christian)
979 Woodland Prkw Ste 101-59
San Marcos, CA 92069
(760) 737-7115
San Marcos, CA 92069
(760) 737-7115
2.5 miles
Gr: 1-12 | 82 students
School
Location
Miles
Quick Facts
Teri, Inc. The Country School
Special Education School
1145 Lin Da Vista Dr Ste 105
San Marcos, CA 92078
(760) 331-9116
San Marcos, CA 92078
(760) 331-9116
1.5 miles
Gr: 6-12 | 21 students Avg. class size: 12 students Tuition & acceptance rate listed
North County Christian School
(Christian)
979 Woodland Prkw Ste 101-59
San Marcos, CA 92069
(760) 737-7115
San Marcos, CA 92069
(760) 737-7115
2.5 miles
Gr: 1-12 | 82 students
500 Las Flores Dr
San Marcos, CA 92078
(760) 305-8505
San Marcos, CA 92078
(760) 305-8505
2.5 miles
Gr: K-12 | 351 students Tuition listed
1740 La Costa Meadows Dr. Suite 105
San Marcos, CA 92078
(760) 410-8283
San Marcos, CA 92078
(760) 410-8283
3.6 miles
Gr: 6-12 | 348 students Avg. class size: 15 students Extracurrculars: 12 Tuition listed
Escondido Adventist Academy ![Escondido Adventist Academy Photo]( "Escondido Adventist Academy Photo")
(Seventh Day Adventist)
1301 Deodar Road
Escondido, CA 92026
(760) 746-1800
Escondido, CA 92026
(760) 746-1800
3.6 miles
Gr: K-12 | 158 students Avg. class size: 13 students Sports: 6 | Extracurrculars: 1 Tuition & acceptance rate listed
School
Location
Miles
Quick Facts
1 Orion
Aliso Viejo, CA 92656
(949) 389-0300
Aliso Viejo, CA 92656
(949) 389-0300
1.4 miles
Gr: K-8 | 423 students Avg. class size: 20 students Sports: 9 | Extracurrculars: 11 Tuition listed
Teri, Inc. The Country School
Special Education School
1145 Lin Da Vista Dr Ste 105
San Marcos, CA 92078
(760) 331-9116
San Marcos, CA 92078
(760) 331-9116
1.5 miles
Gr: 6-12 | 21 students Avg. class size: 12 students Tuition & acceptance rate listed
1350 Discovery St
San Marcos, CA 92078
(760) 744-0207
San Marcos, CA 92078
(760) 744-0207
1.9 miles
Gr: K-8 | 160 students Avg. class size: 160 students Sports: 3 | Extracurrculars: 1 Tuition & acceptance rate listed
North County Christian School
(Christian)
979 Woodland Prkw Ste 101-59
San Marcos, CA 92069
(760) 737-7115
San Marcos, CA 92069
(760) 737-7115
2.5 miles
Gr: 1-12 | 82 students
500 Las Flores Dr
San Marcos, CA 92078
(760) 305-8505
San Marcos, CA 92078
(760) 305-8505
2.5 miles
Gr: K-12 | 351 students Tuition listed
School
Location
Miles
Quick Facts
Center for Children & Families at Cal State San Marcos
Daycare / Preschool
453 La Moree Rd
San Marcos, CA 92078
(760) 750-8750
San Marcos, CA 92078
(760) 750-8750
0.9 miles
Gr: NS-PK
Discovery Isle Child Development Center ![Discovery Isle Child Development Center Photo]( "Discovery Isle Child Development Center Photo")
Daycare / Preschool
1655 S Rancho Santa Fe Rd
San Marcos, CA 92078
(760) 752-8691
San Marcos, CA 92078
(760) 752-8691
3.4 miles
Gr: PK-K | 61 students
San Marcos KinderCare ![San Marcos KinderCare Photo - Building Image]( "San Marcos KinderCare Photo - Building Image")
Daycare / Preschool
6270 Flying Leo Carrillo Lane
Carlsbad, CA 92009
(760) 431-2558
Carlsbad, CA 92009
(760) 431-2558
4 miles
Gr: NS-PK
2585 Business Park Drive
Vista, CA 92081
(760) 635-3747
Vista, CA 92081
(760) 635-3747
4.1 miles
Gr: PK-8 | 111 students Avg. class size: 14 students Extracurrculars: 2 Tuition listed
Calvin Christian School ![Calvin Christian School Photo]( "Calvin Christian School Photo")
(Christian)
2000 N Broadway
Escondido, CA 92026
(760) 489-6430
Escondido, CA 92026
(760) 489-6430
4.7 miles
Gr: NS-12 | 541 students Avg. class size: 21 students Sports: 8 | Extracurrculars: 15 Tuition & acceptance rate listed
School
(Math and Reading Proficiency)
(Math and Reading Proficiency)
Location
Miles
Quick Facts
(Math: 21% | Reading: 32%)
Rank:
Rank:
4/
Bottom 50%10
1 Tiger Way
San Marcos, CA 92069
(760) 290-2430
San Marcos, CA 92069
(760) 290-2430
0.8 miles
Gr: K-5 | 546 students Student-Teacher Ratio: 23:1 Minority enrollment: 98%
Charter School
26025 Newport Rd., Ste. F205
Menifee, CA 92584
(619) 371-5017
Menifee, CA 92584
(619) 371-5017
0.9 miles
Gr: 9-12 | 637 students Student-Teacher Ratio: 212:1 Minority enrollment: 73%
Charter School
(Math: 45-49% | Reading: 55-59%)
Rank:
Rank:
8/
Top 30%10
520 E. Carmel St.
San Marcos, CA 92079
(760) 203-4383
San Marcos, CA 92079
(760) 203-4383
1.2 miles
Gr: K-8 | 162 students Student-Teacher Ratio: 18:1 Minority enrollment: 72%
Alternative School
(Math: 11-19% | Reading: 60-64%)
Rank:
Rank:
6/
Top 50%10
158 Cassou Rd.
San Marcos, CA 92069
(760) 290-2544
San Marcos, CA 92069
(760) 290-2544
1.2 miles
Gr: 9-12 | 101 students Student-Teacher Ratio: 20:1 Minority enrollment: 68%
(Math: 33% | Reading: 45%)
Rank:
Rank:
6/
Top 50%10
650 West Mission Rd.
San Marcos, CA 92069
(760) 290-2500
San Marcos, CA 92069
(760) 290-2500
1.2 miles
Gr: 6-8 | 968 students Student-Teacher Ratio: 24:1 Minority enrollment: 85%
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