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Arroyo

Public Grades 4-5

216^th

SchoolDigger Rank ?

of 5,857 California Elementary Schools

Better than 96% of California elementary schools

Summary

Arroyo is a high-performing upper elementary school serving 290 students in grades 4 and 5 within the highly-regarded San Carlos Elementary district, consistently ranking among the top 5% of all California elementary schools.

The school excels academically, with over 80% of students proficient in English and Math, far surpassing state averages, and boasts an exceptionally low chronic absenteeism rate of just 1.7%, indicating strong student engagement. However, when compared to its immediate district peers, Mariposa (another 4-5 school) holds a slightly higher statewide rank and shows stronger performance in Science, while schools like Central Elementary in the neighboring Belmont-Redwood Shores Elementary district achieve even higher results. Arroyo operates with moderate per-student spending, achieving excellent outcomes efficiently, though its student-teacher ratio is higher than some local schools like Heather Elementary.

While Arroyo maintains overall excellence, its performance for specific student subgroups has shown some year-to-year fluctuation, and Science proficiency is a relative area for improvement compared to its other stellar subjects. The broader context reveals a significant "San Carlos Advantage," where all schools in the San Carlos Elementary district dramatically outperform nearby schools in other districts like Redwood City Elementary, highlighting how district policies and community support can create pockets of exceptional educational outcomes.

290

Students ?

22.2

Student/teacher ratio ?

$16,341

Per pupil spending ?

9.7%

Free/discounted lunch ?

1710 Arroyo Ave.
San Carlos, CA 94070-3809

(650) 632-8300

District: San Carlos Elementary

Students who attend Arroyo usually attend:

Middle:	Central Middle
High:	Sequoia High

Racial breakdown:

White:

53.4%

Asian:

17.6%

Two or more races:

16.9%

See top rated California elementary schools

Compare Arroyo to nearby elementary schools!

At a glance

▲ Ranking trend: Improving — 91st percentile in 2019 → 96th in 2025

Strengths

✓Test scores above the California average (77% vs 41% meeting standards)

✓Ranks in the top 4% of California elementary schools

✓Ranking is trending up — up 5 percentile points since 2019

Worth a look

!Some student groups rank well below the school's overall statewide standing

!Large classes — about 22 students per teacher

Students meeting standards (2024-2025) ?

This school77%

District avg81%

California avg41%

216^th of 5,857

California public elementary schools ?

Top 4%▲ up 5 pts since 2019

From top 9% (2019) to top 4% (2025)

See the entire ranking list of California Elementary Schools →

★★★★★

SchoolDigger rating ?

2^nd of 2Elementary Schools in the San Carlos Elementary

Statewide rank percentile over time (100 = the top-ranked school in the state; click a legend item to add a student group)

Show full rank history (all student groups)

All Students

Year	Avg score	Statewide rank	California percentile	Rating
2025	96.3	216 of 5857	96.3%	★★★★★
2024	96.9	172 of 5869	97.1%	★★★★★
2023	96.9	200 of 5859	96.6%	★★★★★
2022	95.9	295 of 5883	95.0%	★★★★★
2021	92.7	118 of 1417	91.7%	★★★★★
2019	91.9	528 of 5789	90.9%	★★★★★

Asian

Year	Avg score	Statewide rank	California percentile	Rating
2025	83.1	81 of 1203	93.3%	★★★★★
2024	82.7	100 of 1205	91.7%	★★★★★
2023	82.1	106 of 1190	91.1%	★★★★★
2022	81.5	110 of 1154	90.5%	★★★★★
2019	57.9	587 of 1149	48.9%	★★☆☆☆
2018	69.3	380 of 1071	64.5%	★★★☆☆

Disabled

Year	Avg score	Statewide rank	California percentile	Rating
2021	85.9	25 of 293	91.5%	★★★★★
2019	43.0	1192 of 2585	53.9%	★★★☆☆
2018	83.2	243 of 2128	88.6%	★★★★☆

Female

Year	Avg score	Statewide rank	California percentile	Rating
2025	95.1	260 of 5597	95.4%	★★★★★
2024	97.5	76 of 5612	98.6%	★★★★★
2023	95.3	254 of 5609	95.5%	★★★★★
2022	94.1	365 of 5635	93.5%	★★★★★
2021	90.4	133 of 1267	89.5%	★★★★☆
2019	91.3	484 of 5492	91.2%	★★★★★
2018	91.5	473 of 5413	91.3%	★★★★★

Hispanic

Year	Avg score	Statewide rank	California percentile	Rating
2025	83.7	595 of 5107	88.3%	★★★★☆
2024	95.5	149 of 5107	97.1%	★★★★★
2023	84.8	559 of 5087	89.0%	★★★★☆
2022	88.0	433 of 5084	91.5%	★★★★★
2019	80.4	691 of 4963	86.1%	★★★★☆
2018	93.8	172 of 4830	96.4%	★★★★★

Low Socio Economic Status

Year	Avg score	Statewide rank	California percentile	Rating
2025	73.2	1096 of 5460	79.9%	★★★★☆
2024	97.9	110 of 5517	98.0%	★★★★★
2023	86.2	533 of 5363	90.1%	★★★★★
2022	36.4	3306 of 5264	37.2%	★★☆☆☆
2021	73.4	203 of 1110	81.7%	★★★★☆
2019	18.5	4662 of 5173	9.9%	☆☆☆☆☆

Male

Year	Avg score	Statewide rank	California percentile	Rating
2025	95.6	224 of 5628	96.0%	★★★★★
2024	94.6	312 of 5643	94.5%	★★★★★
2023	96.4	200 of 5638	96.5%	★★★★★
2022	96.1	229 of 5663	96.0%	★★★★★
2021	92.7	105 of 1272	91.7%	★★★★★
2019	90.7	530 of 5510	90.4%	★★★★★
2018	93.3	369 of 5431	93.2%	★★★★★

Multi-racial

Year	Avg score	Statewide rank	California percentile	Rating
2025	88.2	32 of 718	95.5%	★★★★★
2024	84.4	74 of 670	89.0%	★★★★☆
2023	87.6	31 of 669	95.4%	★★★★★
2022	79.7	98 of 610	83.9%	★★★★☆
2019	65.0	176 of 445	60.4%	★★★☆☆
2018	72.4	90 of 339	73.5%	★★★★☆

Special Education

Year	Avg score	Statewide rank	California percentile	Rating
2025	84.3	316 of 2847	88.9%	★★★★☆
2024	86.7	239 of 2635	90.9%	★★★★★

White

Year	Avg score	Statewide rank	California percentile	Rating
2025	80.5	398 of 2598	84.7%	★★★★☆
2024	85.6	224 of 2651	91.6%	★★★★★
2023	82.9	307 of 2661	88.5%	★★★★☆
2022	85.4	252 of 2726	90.8%	★★★★★
2019	82.2	386 of 2834	86.4%	★★★★☆
2018	78.8	493 of 2737	82.0%	★★★★☆

How student groups rank statewide ? (each group's percentile vs the same group at other schools — higher is better; the +/- beside each compares the group with this school's overall percentile)

Male (2025)96th percentile~ school

Multi-racial (2025)96th percentile~ school

Female (2025)95th percentile~ school

Asian (2025)93rd percentile-3 vs school

Disabled (2021)91st percentile~ school

Special Education (2025)89th percentile-7 vs school

Hispanic (2025)88th percentile-8 vs school

White (2025)85th percentile-12 vs school

Low Socio Economic Status (2025)80th percentile-16 vs school

By subject vs California (2024-2025) ?

English Language Arts/Literacy83%+34 vs state

Mathematics79%+42 vs state

Science64%+31 vs state

★

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Schools Near Arroyo

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

School													Students/Teachers											Ranking (2025)				Ranking (2024)				CAST Science (2025)			Smarter Balanced Assessments English Language Arts/Literacy (2025)							Smarter Balanced Assessments Mathematics (2025)							% Completely Immunized (2022)	% Polio (2022)	% Varicella (2022)	% DTP (2022)	% MMR (2022)	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	CAST Science 5th Grade	CAST Science 8th 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 7th Grade	Smarter Balanced Assessments English Language Arts/Literacy 8th 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 7th Grade	Smarter Balanced Assessments Mathematics 8th Grade	Smarter Balanced Assessments Mathematics All Grades	% Completely Immunized KG	% Polio KG	% Varicella KG	% DTP KG	% MMR KG	Per Pupil Expenditures Total	Sub-total from Federal Funds	Sub-total from State/Local Funds
Arroyo	Public	4-5	1710 Arroyo Ave.	San Carlos	94070	San Mateo County	San Carlos Elementary	No	(n/a)	No	(n/a)	(650) 632-8300	290	13	22.2	9.7%	155 (53.4%)	3 (1.0%)	31 (10.7%)	51 (17.6%)	1 (0.3%)	0 (0.0%)	49 (16.9%)	96.3	216^th of 5857 public elementary schools	96.3%		96.9	172^nd of 5869 public elementary schools	97.1%	44	64.0		64.0		84.4	81.2				82.8		83.1	75.2				79.0						$16,341	$759	$15,582
Brittan Acres Elementary	Public	K-3	2000 Belle Ave.	San Carlos	94070	San Mateo County	San Carlos Elementary	No	(n/a)	No	(n/a)	(650) 508-7307	411	19	22.2	11.9%	206 (50.1%)	2 (0.5%)	55 (13.4%)	69 (16.8%)	0 (0.0%)	3 (0.7%)	76 (18.5%)								(n/a)				76.5						76.5	83.5						83.5						$19,059	$791	$18,268
White Oaks Elementary	Public	K-3	1901 White Oak Way	San Carlos	94070	San Mateo County	San Carlos Elementary	No	(n/a)	No	(n/a)	(650) 508-7317	250	11	22.7	6.4%	124 (49.6%)	0 (0.0%)	34 (13.6%)	41 (16.4%)	0 (0.0%)	1 (0.4%)	50 (20.0%)								(n/a)				74.2						74.2	83.9						83.9						$20,053	$852	$19,201
Arundel Elementary	Public	K-3	200 Arundel Rd.	San Carlos	94070	San Mateo County	San Carlos Elementary	No	(n/a)	No	(n/a)	(650) 508-7311	388	17	22.8	11.3%	129 (33.2%)	2 (0.5%)	57 (14.7%)	113 (29.1%)	0 (0.0%)	0 (0.0%)	87 (22.4%)								(n/a)				95.5						95.5	93.2						93.2						$18,723	$901	$17,822
Heather Elementary	Public	K-3	2757 Melendy Dr.	San Carlos	94070	San Mateo County	San Carlos Elementary	No	(n/a)	No	(n/a)	(650) 508-7303	320	18	18.1	10.0%	98 (30.6%)	0 (0.0%)	49 (15.3%)	104 (32.5%)	0 (0.0%)	2 (0.6%)	67 (20.9%)								(n/a)				64.7						64.7	72.1						72.1						$21,144	$805	$20,339
Clifford Elementary	Public	K-8	225 Clifford Ave.	Redwood City	94062	San Mateo County	Redwood City Elementary	No	(n/a)	No	(n/a)	(650) 482-2402	698	34	20.7	50.3%	257 (36.8%)	3 (0.4%)	318 (45.6%)	54 (7.7%)	1 (0.1%)	4 (0.6%)	61 (8.7%)	69.3	1632^nd of 5857 public elementary schools	72.1%		67.4	1707^th of 5869 public elementary schools	70.9%	75	47.7	24.7	35.2	54.3	58.7	53.1	48.6	58.5	52.0	54.1	58.0	60.3	49.2	37.5	42.9	40.3	48.0	96.6	98.3	96.6	98.3	97.4	$23,032	$3,266	$19,766
San Carlos Charter Learning Center	Public, Charter	K-8	750 Dartmouth Ave.	San Carlos	94070	San Mateo County	San Carlos Charter Learning Center District	Yes	(n/a)	No	(n/a)	(650) 508-7343	377	20	18.6	4.0%	175 (46.4%)	3 (0.8%)	46 (12.2%)	101 (26.8%)	0 (0.0%)	1 (0.3%)	51 (13.5%)	93	475^th of 5857 public elementary schools	91.9%		96.3	235^th of 5869 public elementary schools	96.0%	240	77.3	74.4	75.9	71.4	84.9	87.9	65.7	83.8	90.7	80.7	69.1	87.9	72.7	57.1	65.8	69.8	70.1	93.2					$16,319	$208	$16,111
Mariposa	Public	4-5	750 Dartmouth Ave.	San Carlos	94070	San Mateo County	San Carlos Elementary	No	(n/a)	No	(n/a)	(650) 832-4201	322	14	23.7	10.9%	99 (30.7%)	2 (0.6%)	60 (18.6%)	103 (32.0%)	0 (0.0%)	3 (0.9%)	55 (17.1%)	97.5	117^th of 5857 public elementary schools	98.0%		98.1	74^th of 5869 public elementary schools	98.7%	43	78.4		78.4		80.6	85.1				82.7		81.8	83.9				82.8						$16,520	$811	$15,709
Nesbit Elementary	Public	K-8	500 Biddulph Way	Belmont	94002	San Mateo County	Belmont-Redwood Shores Elementary	No	(n/a)	No	(n/a)	(650) 637-4860	566	27	20.8	27.0%	108 (19.1%)	16 (2.8%)	180 (31.8%)	153 (27.0%)	1 (0.2%)	12 (2.1%)	96 (17.0%)	81.4	1104^th of 5857 public elementary schools	81.2%		77.9	1246^th of 5869 public elementary schools	78.8%	142	48.0	49.0	48.4	68.6	63.6	62.2	47.2	46.5	62.0	60.2	75.4	64.2	60.0	42.9	26.1	41.2	54.8						$16,231	$704	$15,527
Central Elementary	Public	K-5	525 Middle Rd.	Belmont	94002	San Mateo County	Belmont-Redwood Shores Elementary	No	(n/a)	No	(n/a)	(650) 637-4820	437	17	25.7	5.3%	117 (26.8%)	1 (0.2%)	33 (7.6%)	185 (42.3%)	0 (0.0%)	0 (0.0%)	101 (23.1%)	98.5	36^th of 5857 public elementary schools	99.4%		98.9	20^th of 5869 public elementary schools	99.7%	16	76.0		76.0	93.2	89.0	84.0				88.7	93.2	89.0	89.3				90.5						$14,722	$492	$14,230

Frequently Asked Questions about Arroyo

Is Arroyo a good school?

Yes! Arroyo is one of the best elementary schools in the state. It ranks 216^th of 5857 California elementary schools.

How many students attend Arroyo?

In the 2024-25 school year, 290 students attended Arroyo.

What district is Arroyo in?

San Carlos Elementary

What is the racial makeup of Arroyo?

Students at Arroyo are 53% White, 18% Asian, 17% Two or more races, 11% Hispanic, 1% African American.

What schools do graduates of Arroyo attend?

Students who attend Arroyo usually go on to attend:

Middle : Central Middle
High : Sequoia High

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CACalifornia Elementary School Rankings

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Schools in San Carlos, CA

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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.