Elementary Schools in River Delta Joint Unified

Summary:

The River Delta Joint Unified district includes four elementary schools (K-6) in a high-need area, where performance varies dramatically despite similar student demographics.

Isleton Elementary is the clear standout, earning a 4-star rating with test scores well above the district and state averages, especially in science, and it has the lowest rate of chronic student absenteeism. In contrast, D. H. White Elementary, the largest school, has a 1-star rating with the lowest test scores and the highest absenteeism in the group. Bates Elementary and Walnut Grove Elementary fall in the middle, with Bates showing strong improvement in its ranking.

Key takeaways for parents are that school size and spending per student do not directly predict success here, as the highest-performing school has mid-range resources. Attendance appears closely linked to achievement, with the top school having the best attendance record. The district faces a common challenge in 4th-grade math, where all schools struggle, but Isleton Elementary demonstrates that high achievement is possible within this community.

District Detail

445 Montezuma St.
Rio Vista, CA 94571-1651

(707) 374-1700

SchoolDigger Rank:
1025^th of 1543 California districts

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Grades served: K-12
Students: 1,705

Primary Schools: 4
Middle Schools: 2
High Schools: 4
Alternative Schools: 1

Choose columns to see: Summary School Students/Teachers Ranking Test Scores Finance All

School													Students/Teachers											Ranking (2025)				Ranking (2024)				CSA Spanish Overall (2025)			CSA Spanish Listening (2025)			CSA Spanish Writing (2025)			CSA Spanish Reading (2025)			CAST Science (2025)		Smarter Balanced Assessments English Language Arts/Literacy (2025)					Smarter Balanced Assessments Mathematics (2025)					Per Pupil Expenditures (2024)
Name	Type	Grades	Address	City	Zip	County	District	Is Charter	Is Magnet	Is Virtual	Is Title I	Phone	Enrollment	Full-time Teachers	Student/ Teacher Ratio	Free/Discounted Lunch Recipients	White	Black	Hispanic	Asian	American Indian	Pacific Islander	Two or More Races	Average Standard Score (2025)	Statewide Rank (2025)	State Percentile (2025)	SchoolDigger Rating (2025)	Average Standard Score (2024)	Statewide Rank (2024)	State Percentile (2024)	Rank Change from Previous Year	CSA Spanish Overall 3rd Grade	CSA Spanish Overall 6th Grade	CSA Spanish Overall All Grades	CSA Spanish Listening 3rd Grade	CSA Spanish Listening 6th Grade	CSA Spanish Listening All Grades	CSA Spanish Writing 3rd Grade	CSA Spanish Writing 6th Grade	CSA Spanish Writing All Grades	CSA Spanish Reading 3rd Grade	CSA Spanish Reading 6th Grade	CSA Spanish Reading All Grades	CAST Science 5th Grade	CAST Science All Grades	Smarter Balanced Assessments English Language Arts/Literacy 3rd Grade	Smarter Balanced Assessments English Language Arts/Literacy 4th Grade	Smarter Balanced Assessments English Language Arts/Literacy 5th Grade	Smarter Balanced Assessments English Language Arts/Literacy 6th Grade	Smarter Balanced Assessments English Language Arts/Literacy All Grades	Smarter Balanced Assessments Mathematics 3rd Grade	Smarter Balanced Assessments Mathematics 4th Grade	Smarter Balanced Assessments Mathematics 5th Grade	Smarter Balanced Assessments Mathematics 6th Grade	Smarter Balanced Assessments Mathematics All Grades	Per Pupil Expenditures Total	Sub-total from Federal Funds	Sub-total from State/Local Funds
Bates Elementary	Public	K-6	180 Primasing Ave.	Courtland	95615	Sacramento County	River Delta Joint Unified	No	(n/a)	No	(n/a)	(916) 775-1771	82	4	20.5	93.9%	1 (1.2%)	0 (0.0%)	78 (95.1%)	1 (1.2%)	0 (0.0%)	2 (2.4%)	0 (0.0%)	56	2252^nd of 5857 public elementary schools	61.6%		32.2	3757^th of 5869 public elementary schools	36.0%	1505	0.0	12.5	6.7	0.0	18.8	13.3	0.0	12.5	8.9	0.0	12.5	6.7			18.2			75.0	44.4	9.1			56.3	31.1	$20,194	$2,000	$18,194
Isleton Elementary	Public	K-6	412 Union St.	Isleton	95641	Sacramento County	River Delta Joint Unified	No	(n/a)	No	(n/a)	(916) 777-6515	188	8	23.5	79.3%	56 (29.8%)	1 (0.5%)	121 (64.4%)	2 (1.1%)	0 (0.0%)	1 (0.5%)	7 (3.7%)	73.3	1458^th of 5857 public elementary schools	75.1%		67.8	1691^st of 5869 public elementary schools	71.2%	233													56.5	56.5	60.9	68.4	65.2	53.3	61.1	60.9	55.0	69.6	23.3	50.0	$17,106	$2,565	$14,541
Walnut Grove Elementary	Public	K-6	14181 Grove St.	Walnut Grove	95690	Sacramento County	River Delta Joint Unified	No	(n/a)	No	(n/a)	(916) 776-1844	131	8	16.3	93.1%	13 (9.9%)	4 (3.1%)	108 (82.4%)	2 (1.5%)	0 (0.0%)	0 (0.0%)	4 (3.1%)	27.3	4191^st of 5857 public elementary schools	28.4%		16.9	5127^th of 5869 public elementary schools	12.6%	936													11.1	11.1	53.3	23.5	22.2	33.3	32.4	53.3	11.8	22.2	16.7	25.0	$18,731	$2,405	$16,326
D. H. White Elementary	Public	K-6	500 Elm Way	Rio Vista	94571	Solano County	River Delta Joint Unified	No	(n/a)	No	(n/a)	(707) 374-5335	432	20	21.6	76.9%	149 (34.5%)	18 (4.2%)	195 (45.1%)	6 (1.4%)	5 (1.2%)	8 (1.9%)	51 (11.8%)	20.7	4766^th of 5857 public elementary schools	18.6%		17.2	5093^rd of 5869 public elementary schools	13.2%	327													13.0	13.0	27.9	22.6	18.5	34.0	25.8	29.1	15.1	7.4	38.3	22.8	$13,414	$1,921	$11,493

Districts nearby

District	Distance	# of Schools	Statewide Rank
Delta Elementary Charter District	6.44 mi	1	616^th
Elk Grove Unified	6.89 mi	68	562^nd
SAVA - Sacramento Academy and Vocational Academy - EGUSD Di	8.87 mi	1	1403^rd
New Hope Elementary	10.51 mi	1	1239^th
Sacramento City Unified	10.66 mi	83	982^nd

See the top CA California districts

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