Home > California > Nevada County

Pliocene Ridge Elementary School (Closed 2008)

1999 Ridge Rd.
North San Juan, CA 95960

View full size Get directions

Pliocene Ridge Elementary School serves 4 students in grades Kindergarten-4.

Minority enrollment was 50% of the student body (majority American Indian), which was lower than the California state average of 80% (majority Hispanic).

School Overview

Grades Offered

Grades Kindergarten-4

View Data

Distribution of Students By Grade Trends
Grade	Pliocene Ridge Elementary School
Kind	1
1	1
3	1
4	1

Download Table: Download as CSV | Download as XML | Download as JSON

Download Full School Data: Full School Dataset XML | Full School Dataset JSON

Note: Data may not be displayed on any public-facing website or service that replicates or resembles a school search or review portal without prior written permission. See our Terms of Service.

Total Students

4 students

View Data

Total Students Trends (1987-2025)
Year	Pliocene Ridge Elementary School
2025	4
2024	4
2023	4
2022	4
2021	4
2020	4
2019	4
2018	4
2017	4
2016	4
2015	4
2006	4
2005	25
2004	14
2003	25
2002	35
2001	45
2000	29
1999	31
1998	58
1997	68
1996	63
1995	63
1994	63
1993	55
1992	28
1991	30
1990	35
1989	38
1988	43
1987	29

Download Table: Download as CSV | Download as XML | Download as JSON

Download Full School Data: Full School Dataset XML | Full School Dataset JSON

Note: Data may not be displayed on any public-facing website or service that replicates or resembles a school search or review portal without prior written permission. See our Terms of Service.

Total Classroom Teachers (05-06)

1 teacher

View Data

Total Classroom Teachers Trends (1988-2006)
Year	Pliocene Ridge Elementary School
2006	1
2005	3
2004	2
2003	2
2002	3
2001	2
2000	2
1999	2
1998	4
1997	3
1996	3
1995	3
1994	2
1993	2
1992	2
1991	2
1990	2
1989	2
1988	2

Download Table: Download as CSV | Download as XML | Download as JSON

Download Full School Data: Full School Dataset XML | Full School Dataset JSON

Note: Data may not be displayed on any public-facing website or service that replicates or resembles a school search or review portal without prior written permission. See our Terms of Service.

School Rankings

This School

State Level (CA)

American Indian

50%

View Data

American Indian Student Percentage Comparison (1999-2025)
Year	Pliocene Ridge Elementary School	California	Sierra-Plumas Joint Unified School District
2025	50%	1%
2024	50%	1%
2023	50%	1%	3%
2022	50%	1%	2%
2020	50%	1%	3%
2019	50%	1%	3%
2018	50%	1%	2%
2017	50%	1%	2%
2016	50%	1%	2%
2015	50%	1%	2%
2006	50%	1%	4%
2005	12%	2%	3%
2003	12%	2%	3%
2002	6%	2%	4%
2001	9%	2%	4%
2000	7%	1%	2%
1999	4%	1%	1%

Download Table: Download as CSV | Download as XML | Download as JSON

Download Full School Data: Full School Dataset XML | Full School Dataset JSON

Note: Data may not be displayed on any public-facing website or service that replicates or resembles a school search or review portal without prior written permission. See our Terms of Service.

White

50%

20%

View Data

White Student Percentage Comparison (1990-2025)
Year	Pliocene Ridge Elementary School	California	Sierra-Plumas Joint Unified School District
2025	50%	20%
2024	50%	20%
2023	50%	21%	76%
2022	50%	21%	75%
2021	50%	22%	76%
2020	50%	23%	72%
2019	50%	23%	72%
2018	50%	24%	81%
2017	50%	24%	81%
2016	50%	24%	80%
2015	50%	24%	79%
2006	50%	31%	84%
2005	72%	31%	84%
2004	57%	32%	85%
2003	76%	34%	87%
2002	85%	35%	87%
2001	78%	36%	65%
2000	83%	37%	71%
1999	81%	38%	90%
1998	88%	39%	86%
1997	96%	39%	90%
1996	100%	40%	91%
1995	100%	41%	91%
1994	100%	42%	91%
1993	98%	43%	92%
1992	100%	44%	92%
1991	100%	45%	91%
1990	100%	47%	92%

Download Table: Download as CSV | Download as XML | Download as JSON

Download Full School Data: Full School Dataset XML | Full School Dataset JSON

Note: Data may not be displayed on any public-facing website or service that replicates or resembles a school search or review portal without prior written permission. See our Terms of Service.

All Ethnic Groups

50%

80%

0.51

0.63

View Data

Diversity Score Comparison (1997-2025)
Year	Pliocene Ridge Elementary School	California	Sierra-Plumas Joint Unified School District
2025	0.51	0.63
2024	0.51	0.63
2023	0.51	0.64	0.40
2022	0.51	0.63	0.42
2021	0.51	0.62	0.40
2020	0.51	0.63	0.45
2019	0.51	0.63	0.45
2018	0.51	0.64	0.33
2017	0.51	0.64	0.33
2016	0.51	0.64	0.35
2015	0.51	0.64	0.36
2006	0.51	0.66	0.27
2005	0.45	0.67	0.27
2004	0.50	0.67	0.28
2003	0.40	0.67	0.24
2002	0.26	0.67	0.23
2001	0.38	0.67	0.52
2000	0.30	0.67	0.47
1999	0.34	0.67	0.18
1998	0.22	0.67	0.25
1997	0.08	0.67	0.19

Download Table: Download as CSV | Download as XML | Download as JSON

Download Full School Data: Full School Dataset XML | Full School Dataset JSON

Note: Data may not be displayed on any public-facing website or service that replicates or resembles a school search or review portal without prior written permission. See our Terms of Service.

Eligible for

25%

54%

View Data

Free Lunch Eligibility Comparison (1992-2025)
Year	Pliocene Ridge Elementary School	California	Sierra-Plumas Joint Unified School District
2025	25%	54%
2024	25%	54%
2023	25%	51%	34%
2022	25%	51%	37%
2021	25%	53%	40%
2020	25%	52%	39%
2019	25%	52%	39%
2018	25%	49%	29%
2017	25%	49%	29%
2016	25%	50%	30%
2015	25%	50%	30%
2006	25%	40%	26%
2005	20%	40%	24%
2004	57%	40%	24%
2003	60%	39%	25%
2001	13%	39%	8%
2000	45%	40%	6%
1999	52%	40%	4%
1998	43%	47%	19%
1997	51%	47%	39%
1996	52%	46%	32%
1995	46%	45%	35%
1994	32%	43%	32%
1993	20%	41%	19%
1992	68%	38%	24%

Download Table: Download as CSV | Download as XML | Download as JSON

Download Full School Data: Full School Dataset XML | Full School Dataset JSON

Note: Data may not be displayed on any public-facing website or service that replicates or resembles a school search or review portal without prior written permission. See our Terms of Service.

Eligible for (04-05)

View Data

Reduced-Price Lunch Eligibility Comparison (1999-2005)
Year	Pliocene Ridge Elementary School	California	Sierra-Plumas Joint Unified School District
2005	8%	9%	11%
2004	14%	9%	9%
2001	9%	8%	5%
2000	17%	7%	2%
1999	32%	7%	2%

Download Table: Download as CSV | Download as XML | Download as JSON

Download Full School Data: Full School Dataset XML | Full School Dataset JSON

Note: Data may not be displayed on any public-facing website or service that replicates or resembles a school search or review portal without prior written permission. See our Terms of Service.

School Statewide Testing

View Education Department Test Scores

School District Name

Sierra-Plumas Joint Unified School District

Source: National Center for Education Statistics (NCES), CA Dept. of Education

Frequently Asked Questions

How many students attend Pliocene Ridge Elementary School?

4 students attend Pliocene Ridge Elementary School.

What is the racial composition of the student body?

50% of Pliocene Ridge Elementary School students are American Indian, and 50% of students are White.

What grades does Pliocene Ridge Elementary School offer ?

Pliocene Ridge Elementary School offers enrollment in grades Kindergarten-4

What school district is Pliocene Ridge Elementary School part of?

Pliocene Ridge Elementary School is part of Sierra-Plumas Joint Unified School District.

Recent Articles

September 16, 2026

When Your Child Gets a Teacher You Didn't Request

Learn what parents can do when a child is assigned to an unexpected teacher, including when to wait, communicate, document concerns, request support, and seek reassignment appropriately.

September 16, 2026

Before Accepting a Public School Seat: 15 Checks

Before accepting a public school seat, parents should verify enrollment terms, transportation, staffing, academics, safety, support services, schedules, attendance rules, extracurriculars, costs, and long-term placement details carefully.

September 16, 2026

Will This Public School Offer the Same Programs Next Year?

Learn how parents can determine whether public school programs will continue next year by checking budgets, enrollment, staffing, board documents, grants, course schedules, and district priorities before enrolling.