Is Colony High a good school?

Colony High ranks 753 rd of 2323 California high schools. SchoolDigger rates this school 3 stars out of 5.

How many students attend Colony High?

In the 2023-24 school year, 2,085 students attended Colony High.

What is the racial makeup of Colony High?

Students at Colony High are 68% Hispanic, 11% African American, 9% Asian, 7% White, 3% Two or more races.

What schools feed into Colony High?

Colony High is fed by the following schools: Elementary : Creek View Elementary Elementary : Del Norte Elementary Elementary : Mountain View Elementary Elementary : Ontario Center Elementary : Perdew Elementary Elementary : Ranch View Elementary Middle : Grace Yokley Junior High Middle : Rancho Cucamonga Middle

Colony High

Summary:

Colony High is a public high school located in Ontario, California, serving grades 9-12 with a total enrollment of 2,122 students. It is part of the Chaffey Joint Union High School District, which is ranked 375 out of 1,568 districts in California and is rated 4 out of 5 stars by SchoolDigger.

Colony High has consistently maintained high four-year graduation rates, ranging from 87.2% in 2020-2021 to 92.6% in 2019-2020, which are higher than the state average. However, the school's dropout rates have been relatively low, ranging from 5.1% in 2018-2019 to 8.9% in 2020-2021, which are lower than the state average. Notably, Colony High's chronic absenteeism rate has increased significantly, reaching 56.7% in 2020-2021, which is much higher than the state average. The school's test scores in English Language Arts/Literacy and Mathematics are generally lower than the district and state averages, with the school consistently performing below the Chaffey Joint Union High School District and the state of California in these areas.

When compared to other high schools in the Chaffey Joint Union High School District and nearby districts, such as Chaffey High, Chino High, and Ontario High, Colony High generally performs on par or slightly below its peers in terms of test scores, graduation rates, and other key metrics. The school's performance also varies across different student subgroups, with the school performing relatively well for African American and Hispanic students, but struggling with Asian and White student populations, as well as English Language Learners and students with disabilities.

Detail:

Public 9-12

3850 East Riverside Dr.
Ontario, CA 91761-2603

(909) 930-2929

District: Chaffey Joint Union High

SchoolDigger Rank:
753^rd of 2,323 California High Schools

Per Pupil Expenditures: $9,989

Feeder schools for Colony High:

Elementary:	Creek View Elementary
	Del Norte Elementary
	Mountain View Elementary
	Ontario Center
	More...
	Perdew Elementary
	Ranch View Elementary
Middle:	Grace Yokley Junior High
	Rancho Cucamonga Middle

Student/teacher ratio: 23.8

Number of students: 2,085

Racial breakdown:

Hispanic:

68.3%

African American:

11.4%

Asian:

8.5%

Free/discounted lunch recipients: 72.2%

See top rated California high schools

Compare Colony High to nearby high schools!

Performance Trends

Compare Details Colony High ranks better than 67.6% of high schools in California. It also ranks 7^th among 10 ranked high schools in the Chaffey Joint Union High School District. (See more...)

Compare Details In 2024 the calculated Average Standard Score was 54.88. (See more...)

The four-year cohort graduation rate measures the percentage of students at Colony High who earn a standard high school diploma within four years of starting ninth grade.

The high school dropout rate measures the percentage of students who do not complete their high school education.

Chronic absenteeism in a school refers to a situation where students repeatedly miss school, with the threshold often defined as missing 10% or more of school days for any reason, excused or unexcused.

Student Body

Compare Details Racial makeup is: Hispanic (68.3%), African American (11.4%), Asian (8.5%). (See more...)

Compare Details 72.2% of students are receiving a free or discounted lunch. (See more...)

Teachers

Compare Details The student/teacher ratio at Colony High is 23.8. 5 high schools in the Chaffey Joint Union High School District have better student/teacher ratios. (See more...)

Compare Colony High employs 87.2 full-time teachers.

Finance

Compare Details The average total spent per student at Colony High is $9,989, which is the 4^th highest among 10 high schools in the Chaffey Joint Union High School District.

Schooldigger 2024 Rankings:

Colony High:

SchoolDigger ranks Colony High 753^rd of 2323 California public high schools. (See Colony High in the ranking list.)

High School Test Score Ratings by Student Subgroup:

Multi-racial students:

English Language Learner students:

Special Education students:

Low Socio Economic Status students:

Homeless students:

Female students:

Male students:

Asian students:

African American students:

Hispanic students:

White students:

Chaffey Joint Union High:

SchoolDigger ranks Chaffey Joint Union High 375^th of 1568 California school districts. (See district ranking list.)

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Your rating for Colony High?

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Rank History for Colony High

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Rank History for all students at Colony High

Year	Avg Standard Score	Statewide Rank	Total # Ranked High Schools	CA State Percentile
2004	43.64	616^th	1653	62.7%
2005	43.30	731^st	1901	61.5%
2006	42.19	789^th	1968	59.9%
2007	49.14	670^th	2063	67.5%
2008	46.63	749^th	2117	64.6%
2009	53.28	655^th	2238	70.7%
2010	50.76	741^st	2281	67.5%
2011	56.52	628^th	2367	73.5%
2012	56.28	644^th	2354	72.6%
2013	45.16	921^st	2426	62.0%
2015	58.59	777^th	1994	61.0%
2016	56.07	877^th	2039	57.0%
2017	57.76	843^rd	2021	58.3%
2018	73.91	517^th	2017	74.4%
2019	63.23	669^th	2133	68.6%
2021	72.14	324^th	1290	74.9%
2022	61.37	685^th	2123	67.7%
2023	57.49	699^th	2348	70.2%
2024	54.88	753^rd	2323	67.6%

See the entire list of California High School Rankings!

Rank History for Multi-racial students at Colony High

Year	Avg Standard Score	Statewide Rank	Total # Ranked High Schools	CA State Percentile
2019	18.76	348^th	422	17.5%
2022	31.18	381^st	515	26.0%
2023	39.34	421^st	786	46.4%
2024	28.32	541^st	804	32.7%

See the entire list of Best California High Schools for Multi-racial Students!

Rank History for English Language Learner students at Colony High

Year	Avg Standard Score	Statewide Rank	Total # Ranked High Schools	CA State Percentile
2018	43.03	393^rd	938	58.1%
2019	47.20	326^th	941	65.4%
2022	44.09	424^th	1044	59.4%
2023	52.10	237^th	1323	82.1%
2024	30.00	844^th	1350	37.5%

See the entire list of Best California High Schools for English Language Learner Students!

Rank History for Special Education students at Colony High

Year	Avg Standard Score	Statewide Rank	Total # Ranked High Schools	CA State Percentile	SchoolDigger Rating
2023	44.25	595^th	1547	61.5%
2024	30.78	951^st	1534	38.0%

See the entire list of Best California High Schools for Special Education Students!

Rank History for Low Socio Economic Status students at Colony High

Year	Avg Standard Score	Statewide Rank	Total # Ranked High Schools	CA State Percentile
2018	76.71	372^nd	1862	80.0%
2019	67.15	514^th	1937	73.5%
2021	78.06	203^rd	1126	82.0%
2022	66.75	507^th	1943	73.9%
2023	65.69	505^th	2247	77.5%
2024	58.76	626^th	2235	72.0%

See the entire list of Best California High Schools for Low Socio Economic Status Students!

Rank History for Homeless students at Colony High

Year	Avg Standard Score	Statewide Rank	Total # Ranked High Schools	CA State Percentile
2022	62.25	89^th	290	69.3%
2023	67.58	99^th	417	76.3%
2024	68.91	99^th	451	78.0%

See the entire list of Best California High Schools for Homeless Students!

Rank History for Female students at Colony High

Year	Avg Standard Score	Statewide Rank	Total # Ranked High Schools	CA State Percentile
2018	72.86	484^th	1760	72.5%
2019	61.20	619^th	1833	66.2%
2021	75.20	243^rd	1054	76.9%
2022	60.94	601^st	1858	67.7%
2023	58.13	643^rd	2118	69.6%
2024	49.71	833^rd	2098	60.3%

See the entire list of Best California High Schools for Female Students!

Rank History for Disabled students at Colony High

Year	Avg Standard Score	Statewide Rank	Total # Ranked High Schools	CA State Percentile
2018	34.95	613^th	1052	41.7%
2019	30.50	759^th	1117	32.1%
2021	15.85	551^st	555	0.7%
2022	43.82	495^th	1161	57.4%

See the entire list of Best California High Schools for Disabled Students!

Rank History for Male students at Colony High

Year	Avg Standard Score	Statewide Rank	Total # Ranked High Schools	CA State Percentile
2018	70.00	531^st	1834	71.0%
2019	58.90	680^th	1880	63.8%
2021	57.90	427^th	1122	61.9%
2022	57.63	690^th	1916	64.0%
2023	54.22	722^nd	2207	67.3%
2024	56.16	670^th	2172	69.2%

See the entire list of Best California High Schools for Male Students!

Rank History for Asian students at Colony High

Year	Avg Standard Score	Statewide Rank	Total # Ranked High Schools	CA State Percentile
2018	58.45	285^th	581	50.9%
2019	55.98	292^nd	582	49.8%
2022	56.89	280^th	581	51.8%
2023	38.47	481^st	731	34.2%
2024	29.97	512^th	712	28.1%

See the entire list of Best California High Schools for Asian Students!

Rank History for African American students at Colony High

Year	Avg Standard Score	Statewide Rank	Total # Ranked High Schools	CA State Percentile
2018	55.54	222^nd	582	61.9%
2019	60.03	185^th	592	68.8%
2022	60.39	157^th	522	69.9%
2023	61.02	213^th	720	70.4%
2024	48.99	300^th	721	58.4%

See the entire list of Best California High Schools for African American Students!

Rank History for Hispanic students at Colony High

Year	Avg Standard Score	Statewide Rank	Total # Ranked High Schools	CA State Percentile
2018	83.24	261^st	1742	85.0%
2019	68.71	461^st	1814	74.6%
2022	68.72	459^th	1861	75.3%
2023	65.41	497^th	2142	76.8%
2024	64.78	499^th	2125	76.5%

See the entire list of Best California High Schools for Hispanic Students!

Rank History for White students at Colony High

Year	Avg Standard Score	Statewide Rank	Total # Ranked High Schools	CA State Percentile
2018	68.10	401^st	1173	65.8%
2019	70.21	335^th	1222	72.6%
2022	51.38	575^th	1204	52.2%
2023	41.88	720^th	1434	49.8%
2024	38.86	766^th	1406	45.5%

See the entire list of Best California High Schools for White Students!

Data source: test scores: California Department of Education, rankings: SchoolDigger.com

As you review the school rankings data, please be aware that some of the information from certain demographics is missing. The reason for this omission is that the data has been redacted from the source data itself due to low population samples in these specific demographic groups.

Redacting data from low population samples is a necessary step to ensure the reliability and accuracy of the results, as small sample sizes may not be representative of the broader population. Additionally, this measure helps protect the privacy of individuals belonging to these demographic groups.

Data source: California Department of Education

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Enrollment information for Colony High

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Year	White	African American	Asian	Hispanic	American Indian	Pacific Islander	Two or More Races	Not Specified	Total
2002	263	189	61	488	6	n/a	n/a	18	1025
2003	263	189	61	488	6	n/a	n/a	18	1025
2004	351	328	112	762	8	n/a	n/a	33	1594
2005	459	422	154	1103	8	n/a	n/a	39	2185
2006	444	437	164	1202	9	n/a	n/a	67	2323
2007	371	385	158	1291	9	n/a	n/a	51	2265
2008	352	386	151	1333	8	n/a	n/a	0	2230
2009	344	371	136	1388	9	7	55	0	2310
2010	353	366	131	1420	7	8	0	0	2285
2011	329	353	124	1416	4	10	24	0	2260
2012	271	333	126	1445	8	13	24	0	2220
2013	253	265	117	1472	9	13	32	0	2161
2014	243	262	121	1513	10	12	41	0	2202
2015	211	236	118	1465	4	10	35	0	2079
2016	211	250	121	1500	3	11	39	0	2135
2017	187	237	128	1480	3	6	49	0	2090
2018	177	243	128	1558	6	8	53	0	2173
2019	186	237	132	1564	8	12	52	0	2191
2020	175	230	141	1562	9	8	53	0	2178
2021	168	188	156	1578	11	12	48	1	2162
2022	168	201	151	1532	7	15	57	3	2134
2023	154	223	167	1482	6	19	69	2	2122
2024	150	238	178	1424	7	20	64	4	2085

Data source: National Center for Education Statistics, U.S. Dept of Education.

About Enrollment/Ethnicity

For more information about how the Department of Education defines ethnicity, see Defining Race and Ethnicity Data, National Center for Education Statistics

Students eligible for free or discounted lunch at Colony High

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Year	# Students	Full-time Teachers	Student/Teacher ratio	% Free/Discounted Lunch
2002	1025	45.6	22.5	14
2003	1025	45.6	22.5	14
2004	1594	62.9	25.3	18.8
2005	2185	84.9	25.7	8.4
2006	2323	95.6	24.3	20.2
2007	2265	93.6	24.2	28.2
2008	2230	104.1	21.4	30.6
2009	2310	90.3	21.9	39.7
2010	2285	88.2	25.9	46.7
2011	2260	n/a	n/a	51.7
2012	2220	83.3	26.6	n/a
2013	2161	86.2	25.0	57.6
2014	2202	86.3	25.4	60.9
2015	2079	85.0	24.4	61.9
2016	2135	84.0	25.4	72.7
2017	2090	90.5	23.0	71.1
2018	2173	91.9	23.6	74.3
2019	2191	92.8	23.6	73.2
2020	2178	n/a	n/a	73
2021	2162	89.9	24.0	74.1
2022	2134	89.0	23.9	74.4
2023	2122	87.9	24.1	70.8
2024	2085	87.2	23.8	72.2

Data source: National Center for Education Statistics, U.S. Dept of Education.

About Students eligible for discounted/free lunch:

The National School Lunch Program (NSLP) provides low-cost or free meals to students in U.S. public and nonprofit private schools based on household income. Those with incomes below 130% of the poverty line receive free lunch, while those between 130% and 185% qualify for reduced-price lunch. The percentage of students receiving free or reduced-price lunch serves as a marker for poverty, as it reflects the socioeconomic status of families in a given school or district. A higher FRPL rate typically indicates a higher concentration of low-income families, suggesting that the school or district may face additional challenges in providing adequate resources and support for student success.

Student/Teacher Ratio Colony High

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Year	# Students	Full-time Teachers	Student/Teacher ratio	% Free/Discounted Lunch
2002	1025	45.6	22.5	14
2003	1025	45.6	22.5	14
2004	1594	62.9	25.3	18.8
2005	2185	84.9	25.7	8.4
2006	2323	95.6	24.3	20.2
2007	2265	93.6	24.2	28.2
2008	2230	104.1	21.4	30.6
2009	2310	90.3	21.9	39.7
2010	2285	88.2	25.9	46.7
2011	2260	n/a	n/a	51.7
2012	2220	83.3	26.6	n/a
2013	2161	86.2	25.0	57.6
2014	2202	86.3	25.4	60.9
2015	2079	85.0	24.4	61.9
2016	2135	84.0	25.4	72.7
2017	2090	90.5	23.0	71.1
2018	2173	91.9	23.6	74.3
2019	2191	92.8	23.6	73.2
2020	2178	n/a	n/a	73
2021	2162	89.9	24.0	74.1
2022	2134	89.0	23.9	74.4
2023	2122	87.9	24.1	70.8
2024	2085	87.2	23.8	72.2

Data source: National Center for Education Statistics, U.S. Dept of Education.

About Student-Teacher Ratio

Student/teacher ratio is calculated by dividing the total number of students by the total number of full-time equivalent teachers. Please note that a smaller student/teacher ratio does not necessarily translate to smaller class size. In some instances, schools hire teachers part time, and some teachers are hired for specialized instruction with very small class sizes. These and other factors contribute to the student/teacher ratio. Note: For private schools, Student/teacher ratio may not include Pre-Kindergarten.

Finances

Per Pupil Expenditures for Colony High

Year	Total Expenditures Per Pupil
2018	$9,989

Data source: California Department of Education

Pre and Post Pandemic Data

Impact of COVID-19 on Colony High

The coronavirus has had a profound impact on education in America. Learning shifted online overnight, attendance numbers dwindled, and enrollment decreased. SchoolDigger.com is making it easier for you to better assess how COVID-19 has impacted your school. Through the collection of pre-pandemic (2019) and current data, SchoolDigger.com is sharing test scores, enrollment numbers and school demographics from schools across the country – and we make it easy to see how impacted schools compare locally and statewide.

Rankings

Rank Pre-pandemic (2018-2019)	Rank Post pandemic (2022-2023)	Change (%)
Ranks 669^th of 2133 High schools	Ranks 699^th of 2348 High schools	1.6%

Test Scores

	% proficient Pre-pandemic (2018-2019)	% proficient Post pandemic (2022-2023)	Change (%)
11th Grade English Language Arts/Literacy (Colony High)	60.2	65.6	5.3%
11th Grade English Language Arts/Literacy (Chaffey Joint Union High)	66.4	67.5	1%
11th Grade English Language Arts/Literacy (California)	57.3	55.4	1.9%
11th Grade Mathematics (Colony High)	34.5	25.2	9.4%
11th Grade Mathematics (Chaffey Joint Union High)	38.4	34.3	4.1%
11th Grade Mathematics (California)	32.2	27.4	4.9%
12th Grade Science (Colony High)	18.4	19.8	1.3%
12th Grade Science (Chaffey Joint Union High)	23.1	28.5	5.4%
12th Grade Science (California)	25.6	26.9	1.3%

Student Body

	Number of students Pre-pandemic (2018-2019)	Number of students Post pandemic (2022-2023)	Change (%)
Total Students	2191	2122	3.1%
African American	237	223	5.9%
American Indian	8	6	25%
Asian	132	167	26.5%
Hispanic	1564	1482	5.2%
Pacific Islander	12	19	58.3%
White	186	154	17.2%
Two or More Races	52	69	32.7%
% Free/Discounted Lunch Recipients	73.2%	70.8%	2.4%

Schools Near Colony High

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

School													Students/Teachers											Ranking (2024)				Ranking (2023)				CAST Science (2024)			Smarter Balanced Assessments English Language Arts/Literacy (2024)		Smarter Balanced Assessments Mathematics (2024)		Per Pupil Expenditures (2018)
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 (2024)	Statewide Rank (2024)	State Percentile (2024)	SchoolDigger Rating (2024)	Average Standard Score (2023)	Statewide Rank (2023)	State Percentile (2023)	Rank Change from Previous Year	CAST Science 11th Grade	CAST Science 12th Grade	CAST Science End of Course	Smarter Balanced Assessments English Language Arts/Literacy 11th Grade	Smarter Balanced Assessments English Language Arts/Literacy End of Course	Smarter Balanced Assessments Mathematics 11th Grade	Smarter Balanced Assessments Mathematics End of Course	Total
Colony High	Public	9-12	3850 East Riverside Dr.	Ontario	91761	San Bernardino County	Chaffey Joint Union High	No	(n/a)	No	(n/a)	(909) 930-2929	2,085	87	23.8	72.2%	150 (7.2%)	238 (11.4%)	1,424 (68.3%)	178 (8.5%)	7 (0.3%)	20 (1.0%)	64 (3.1%)	54.9	753^rd of 2323 public high schools	67.6%		57.5	699^th of 2348 public high schools	70.2%	54		26.5	26.5	58.3	58.3	18.9	18.9	$9,989
Jurupa Valley High	Public	9-12	10551 Bellegrave Ave.	Jurupa Valley	91752	Riverside County	Jurupa Unified	No	(n/a)	No	(n/a)	(951) 360-2600	1,638	71	23.0	83.9%	75 (4.6%)	18 (1.1%)	1,480 (90.4%)	28 (1.7%)	3 (0.2%)	4 (0.2%)	28 (1.7%)	32.8	1343^rd of 2323 public high schools	42.2%		35.6	1262^nd of 2348 public high schools	46.3%	81	17.7	12.5	17.5	41.9	41.9	12.0	12.0	$11,146
Eleanor Roosevelt High	Public	9-12	7447 Scholar Way	Eastvale	92880	Riverside County	Corona-Norco Unified	No	(n/a)	No	(n/a)	(951) 738-2100	4,464	171	26.0	66.6%	601 (13.5%)	418 (9.4%)	1,928 (43.2%)	1,352 (30.3%)	15 (0.3%)	9 (0.2%)	137 (3.1%)	83.8	266^th of 2323 public high schools	88.5%		84.2	251^st of 2348 public high schools	89.3%	15	41.3	7.4	40.4	73.7	73.7	50.9	50.9	$7,099
Baldy View Regional Occupational Program	Public	9-12	1501 South Bon View Ave.	Ontario	91761	San Bernardino County	Baldy View Regional Occupational Program	No	(n/a)	(n/a)	(n/a)	(909) 947-3400	0				0 ()	0 ()	0 ()	0 ()	0 ()	0 ()	0 ()								(n/a)
Henry J. Kaiser High	Public	9-12	11155 Almond Ave.	Fontana	92337	San Bernardino County	Fontana Unified	No	(n/a)	No	(n/a)	(909) 357-5900	1,794	90	19.9	81.5%	57 (3.2%)	84 (4.7%)	1,583 (88.2%)	53 (3.0%)	0 (0.0%)	2 (0.1%)	14 (0.8%)	52.8	802^nd of 2323 public high schools	65.5%		46.6	955^th of 2348 public high schools	59.3%	153	20.4		20.3	55.4	55.4	29.4	29.4
Valley View High (Continuation)	Public	9-12	1801 East Sixth St.	Ontario	91764	San Bernardino County	Chaffey Joint Union High	No	(n/a)	No	(n/a)	(909) 985-0966	335	26	12.9	84.5%	20 (6.0%)	24 (7.2%)	270 (80.6%)	8 (2.4%)	1 (0.3%)	1 (0.3%)	11 (3.3%)	10.3	1998^th of 2323 public high schools	14.0%		9	2132^nd of 2348 public high schools	9.2%	134		4.6	4.6	9.8	9.8	0.0	0.0	$17,796
Chaffey District Online High	Public, Virtual	9-12	1802 East 7th St.	Ontario	91764	San Bernardino County	Chaffey Joint Union High	No	(n/a)	Yes	(n/a)	(909) 985-0966	112	5	20.6	53.6%	29 (25.9%)	6 (5.4%)	59 (52.7%)	7 (6.3%)	1 (0.9%)	0 (0.0%)	9 (8.0%)	95.9	64^th of 2323 public high schools	97.2%		94.7	92^nd of 2348 public high schools	96.1%	28				87.5	87.5	62.5	62.5	$8,614
Chaffey Community Day	Public	9-12	1802 East Seventh St.	Ontario	91764	San Bernardino County	Chaffey Joint Union High	No	(n/a)	No	(n/a)	(909) 985-0966	16	2	7.1	81.3%	1 (6.3%)	2 (12.5%)	12 (75.0%)	0 (0.0%)	0 (0.0%)	0 (0.0%)	1 (6.3%)								(n/a)								$53,200
Ontario High	Public	9-12	901 West Francis St.	Ontario	91762	San Bernardino County	Chaffey Joint Union High	No	(n/a)	No	(n/a)	(909) 988-7411	2,121	96	22.2	87.4%	54 (2.5%)	46 (2.2%)	1,882 (88.7%)	75 (3.5%)	20 (0.9%)	6 (0.3%)	37 (1.7%)	53	800^th of 2323 public high schools	65.6%		51	842^nd of 2348 public high schools	64.1%	42		21.1	21.1	61.9	61.9	20.1	20.1	$9,919
Chaffey High	Public	9-12	1245 North Euclid Ave.	Ontario	91762	San Bernardino County	Chaffey Joint Union High	No	(n/a)	No	(n/a)	(909) 988-5560	3,223	135	23.8	80.8%	112 (3.5%)	95 (2.9%)	2,874 (89.2%)	70 (2.2%)	12 (0.4%)	7 (0.2%)	48 (1.5%)	47.9	914^th of 2323 public high schools	60.7%		44	1013^th of 2348 public high schools	56.9%	99		19.9	19.9	54.7	54.7	18.8	18.8	$10,267

Colony High

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