Beta You're viewing our redesigned school page. Prefer the classic layout?

Rio del Mar Elementary

Public Grades K-6
1565th
SchoolDigger Rank ?
of 5,817 California Elementary Schools
Better than 73% of California elementary schools
Summary

Rio del Mar Elementary is a K–6 school in Aptos, California, serving 393 students in Pajaro Valley Unified. In 2025–26, its students scored above the state and district in ELA, math and science. The clearest strength is math: Rio ranked first among nearby schools with reported scores and was 15 points above the state.

Rio’s results are strong across subjects, though its lead is smaller in science. ELA proficiency was 57%, 8 points above the state and 29 above the district; Rio ranked third among 11 schools, compared with a nearby-school average of 38%. Math proficiency was 53%, versus 38% statewide and 18% in the district, and was 22 points above the nearby-school average. Science proficiency was 43%, 7 points above the state and 24 above the district, but only 11 points above the nearby average; Rio ranked fourth among 11 schools. Grade results are less even: sixth graders had the school’s highest ELA and math results, while fourth-grade math was 37%, 5 points below the state.

Scores have moved in different directions since 2022–23: ELA fell 2 points to 57%, math rose 3 points to 53%, and science fell 13 points to 43%, including a 15-point drop from the prior year. Attendance improved: chronic absenteeism fell from 27% in 2021–22 to 11% in 2025–26, below the state’s 18% and the district’s 21%. SchoolDigger gives Rio four stars and a 73rd-percentile statewide rank, compared with one star and the 17th percentile for the district. Rio’s 2024–25 student-teacher ratio was 20.5, and 22% of students were free/reduced lunch eligible. SchoolDigger’s subgroup measure shows a notable difference: Rio ranked at the 45th percentile for White Students in 2025–26, compared with the 73rd percentile overall; its ranking for Special Education Students rose from the 71st percentile in 2023–24 to the 87th in 2025–26. These subgroup rankings describe SchoolDigger’s measure of how well the school serves each group.

393
Students ?
20.5
Student/teacher ratio ?
$22,203
Per pupil spending ?
22.1%
Free/reduced lunch eligible (2024-25) ?
All students in California receive free school meals.
96%
Kindergartners with all required immunizations (2024-25)
Exemptions: 0% (any vaccine)
 819 Pinehurst Dr.
       Aptos, CA  95003-5737

(831) 728-7838

District: Pajaro Valley Unified


Students who attend Rio del Mar Elementary usually attend:

Middle:    Aptos Junior High
High:    Aptos High
Racial breakdown:

White:
63.4%
Hispanic:
22.4%
Two or more races:
9.9%
more
 See top rated California elementary schools

 Compare Rio del Mar Elementary to nearby elementary schools!
At a glance
▼ Ranking trend: Declining — 87th percentile in 2015 → 73rd in 2026
Strengths
✓Test scores above the California average (54% vs 42% meeting standards)
✓Among the top-ranked schools in Pajaro Valley Unified
✓Above the California median (73rd percentile)
Worth a look
!Ranking has slipped — down 14 percentile points since 2015
!Some student groups rank well below the school's overall statewide standing
Students meeting standards (2025-2026) ?
This school54%
District avg22%
California avg42%
1,565th of 5,817
California public elementary schools ?
Top 27%▼ down 17 pts since 2016
From top 10% (2016) to top 27% (2026)
See the entire ranking list of California Elementary Schools →
★★★★★
SchoolDigger rating ?
2nd of 19Elementary Schools in the Pajaro Valley Unified
1255th of 1,530Pajaro Valley Unified among California districts
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

YearAvg scoreStatewide rankCalifornia percentileRating
202670.31565 of 581773.1%★★★★☆
202574.91374 of 585776.5%★★★★☆
202469.31621 of 586972.4%★★★★☆
202377.01277 of 585978.2%★★★★☆
202276.41344 of 588377.2%★★★★☆
201981.71093 of 578981.1%★★★★☆
201887.1791 of 566286.0%★★★★☆
201784.9919 of 569283.9%★★★★☆
201691.1548 of 561490.2%★★★★★
201588.2709 of 561187.4%★★★★☆
201385.1754 of 553086.4%★★★★☆
201286.1671 of 539087.6%★★★★☆
201189.7454 of 537791.6%★★★★★
201087.7589 of 531488.9%★★★★☆
200990.6450 of 519391.3%★★★★★
200891.9374 of 511392.7%★★★★★
200793.1339 of 511393.4%★★★★★
200689.1527 of 481889.1%★★★★☆
200591.7403 of 482291.6%★★★★★
200494.3267 of 480994.4%★★★★★

Disabled

YearAvg scoreStatewide rankCalifornia percentileRating
202255.9686 of 222769.2%★★★☆☆
201984.1278 of 258589.2%★★★★☆
201895.385 of 212896.0%★★★★★

Female

YearAvg scoreStatewide rankCalifornia percentileRating
202671.31428 of 558174.4%★★★★☆
202579.61096 of 559780.4%★★★★☆
202470.61469 of 561273.8%★★★★☆
202377.81184 of 560978.9%★★★★☆
202278.11198 of 563578.7%★★★★☆
201979.31115 of 549279.7%★★★★☆
201888.8629 of 541388.4%★★★★☆

Hispanic

YearAvg scoreStatewide rankCalifornia percentileRating
202670.71168 of 509477.1%★★★★☆
202563.81514 of 510770.4%★★★★☆
202480.4709 of 510786.1%★★★★☆
202364.61418 of 508772.1%★★★★☆
202272.71037 of 508479.6%★★★★☆
201983.1589 of 496388.1%★★★★☆
201889.8314 of 483093.5%★★★★★

Low Socio Economic Status

YearAvg scoreStatewide rankCalifornia percentileRating
202669.01348 of 542375.1%★★★★☆
202552.52277 of 546058.3%★★★☆☆
202458.01918 of 551765.2%★★★☆☆
202364.71488 of 536372.3%★★★★☆
202263.01513 of 526471.3%★★★★☆
201952.92209 of 517357.3%★★★☆☆
201863.81527 of 508470.0%★★★★☆

Male

YearAvg scoreStatewide rankCalifornia percentileRating
202667.01641 of 560370.7%★★★★☆
202566.71665 of 562870.4%★★★★☆
202464.41772 of 564368.6%★★★☆☆
202373.01371 of 563875.7%★★★★☆
202272.61409 of 566375.1%★★★★☆
201980.71037 of 551081.2%★★★★☆
201882.5959 of 543182.3%★★★★☆

Special Education

YearAvg scoreStatewide rankCalifornia percentileRating
202680.1368 of 292787.4%★★★★☆
202561.1764 of 284773.2%★★★★☆
202457.7771 of 263570.7%★★★★☆
202376.1367 of 242084.8%★★★★☆

White

YearAvg scoreStatewide rankCalifornia percentileRating
202649.51405 of 253644.6%★★☆☆☆
202552.41343 of 259848.3%★★☆☆☆
202444.51578 of 265140.5%★★☆☆☆
202354.61301 of 266151.1%★★★☆☆
202257.61232 of 272654.8%★★★☆☆
201959.81219 of 283457.0%★★★☆☆
201868.7871 of 273768.2%★★★☆☆
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)
Special Education (2026)87th percentile+14 vs school
Hispanic (2026)77th percentile+4 vs school
Low Socio Economic Status (2026)75th percentile~ school
Female (2026)74th percentile~ school
Male (2026)71st percentile~ school
Disabled (2022)69th percentile-8 vs school
White (2026)45th percentile-28 vs school
By subject vs California (2025-2026) ?
English Language Arts/Literacy57%+8 vs state
Mathematics53%+15 vs state
Science43%+7 vs state

★
No ratings yet
Be the first to rate Rio del Mar Elementary and help other families decide.
Rate Rio del Mar Elementary
Have first-hand experience? A quick rating - and a sentence or two about what stands out (teachers, academics, safety, communication) - helps other families know what to expect.
Takes about a minute. We email you a link to verify your review - your address is never shown publicly.
Tap a star to rate
Reviews
No written reviews yet. If you know this school, be the first to share what stands out.



Schools Near Rio del Mar Elementary

Ranking:
Map legend
E Elementary M Middle H High A Alternative P Private






Frequently Asked Questions about Rio del Mar Elementary

Rio del Mar Elementary ranks 1565th of 5817 California elementary schools. SchoolDigger rates this school 4 stars out of 5.

Students who attend Rio del Mar Elementary usually go on to attend:

Middle : Aptos Junior High
High : Aptos High

In the 2024-25 school year, 393 students attended Rio del Mar Elementary.

Students at Rio del Mar Elementary are 63% White, 22% Hispanic, 10% Two or more races, 3% Asian.

Rate Rio del Mar Elementary!



Sign up for updates!

Be the first to know when there is an update for Rio del Mar Elementary!


Latest California data All new data »
2024–25 school spending data (updated)NewNov 2, 2026
2013–14 through 2024–25 immunization rates (updated)Oct 19, 2026
2025–26 attendance data, dropout rates & graduation ratesOct 15, 2026
2025–26 CAST, CSA Spanish & Smarter Balanced Assessments scoresOct 15, 2026


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.

Diagnostics