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Addenbrooke Classical Grammar School

Q: Is Addenbrooke Classical Grammar School a good school?

Addenbrooke Classical Grammar School ranks 321 st of 950 Colorado elementary schools. SchoolDigger rates this school 3 stars out of 5.

Public, Charter Grades PK, KG-8

321^st

SchoolDigger Rank ?

of 950 Colorado Elementary Schools

Better than 66% of Colorado elementary schools

Summary

Addenbrooke Classical Grammar School is a public charter elementary school serving grades PK-8 in Lakewood, Colorado, with a student population of 760. The school is part of the Jefferson County School District No. R-1, which is ranked 29 out of 115 school districts in the state and has a 4-star rating from SchoolDigger.

Addenbrooke consistently outperforms the Jefferson County School District and the state of Colorado in proficiency rates on the CMAS assessments, particularly in English Language Arts and Math. For example, in 2024-2025, Addenbrooke's proficiency rate for all grades in ELA was 50.7% compared to 52.5% for the district and 44.8% for the state. In Math, Addenbrooke's proficiency rate was 46.4% compared to 42.8% for the district and 35.9% for the state. The school's focus on classical education and its ability to support the success of traditionally underperforming subgroups are particularly noteworthy strengths.

While Addenbrooke's chronic absenteeism rate has increased in recent years, reaching 27.7% in 2023-2024, it is still lower than the district and state averages. The school has also maintained relatively low dropout rates, ranging from 1.5% to 2.2% over the past few years, which is better than the state average. Addenbrooke outperforms the nearby traditional public schools in the Jefferson County School District, as well as the schools in the Denver School District, on academic measures, suggesting it is providing a higher-quality education than its local competitors.

774

Students ?

17.1

Student/teacher ratio ?

$8,405

Per pupil spending ?

9.8%

Free/discounted lunch ?

7114 West Jefferson Avenue
Lakewood, CO 80235-2354

(303) 986-5791

District: Jefferson County School District No. R-1

Racial breakdown:

White:

61.6%

Hispanic:

30.4%

Asian:

3.5%

See top rated Colorado elementary schools

Compare Addenbrooke Classical Grammar School to nearby elementary schools!

At a glance

▲ Ranking trend: Improving — 41st percentile in 2018 → 66th in 2025

Strengths

✓Test scores above the Colorado average (47% vs 40% meeting standards)

✓Ranking is trending up — up 25 percentile points since 2018

✓Above the Colorado median (66th percentile)

Worth a look

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

Students meeting standards (2024-2025) ?

This school47%

District avg47%

Colorado avg40%

Elementary school

321^st of 950

Colorado public elementary schools ?

Top 34%▲ up 25 pts since 2018

From bottom 41% (2018) to top 34% (2025)

See the entire ranking list of Colorado Elementary Schools →

★★★★★

SchoolDigger rating ?

Middle school

150^th of 469

Colorado public middle schools ?

Top 32%▲ up 13 pts since 2023

From top 45% (2023) to top 32% (2025)

See the entire ranking list of Colorado Middle Schools →

★★★★★

SchoolDigger rating ?

42^nd of 84Elementary Schools in the Jefferson County School District No. R-1

29^th of 115Jefferson County School District No. R-1 among Colorado districts

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

Elementary school ranking

Show full rank history (all student groups)

All Students

Year	Avg score	Statewide rank	Colorado percentile	Rating
2025	64.4	321 of 950	66.2%	★★★☆☆
2024	55.7	399 of 943	57.7%	★★★☆☆
2023	58.8	355 of 933	62.0%	★★★☆☆
2022	56.6	375 of 921	59.3%	★★★☆☆
2021	74.4	203 of 710	71.4%	★★★★☆
2019	54.4	409 of 965	57.6%	★★★☆☆
2018	37.5	543 of 917	40.8%	★★☆☆☆

Female

Year	Avg score	Statewide rank	Colorado percentile	Rating
2025	63.5	227 of 694	67.3%	★★★☆☆
2024	45.8	353 of 684	48.4%	★★☆☆☆
2023	46.8	322 of 642	49.8%	★★★☆☆
2022	38.6	356 of 595	40.2%	★★☆☆☆
2021	62.5	157 of 351	55.3%	★★★☆☆
2019	49.0	361 of 758	52.4%	★★★☆☆
2018	42.0	373 of 690	45.9%	★★☆☆☆

Hispanic

Year	Avg score	Statewide rank	Colorado percentile	Rating
2025	50.1	111 of 247	55.1%	★★★☆☆
2024	56.5	90 of 242	62.8%	★★★☆☆
2023	85.4	16 of 197	91.9%	★★★★★

Low Socio Economic Status

Year	Avg score	Statewide rank	Colorado percentile	Rating
2019	48.4	163 of 332	50.9%	★★★☆☆

Male

Year	Avg score	Statewide rank	Colorado percentile	Rating
2025	49.8	330 of 700	52.9%	★★★☆☆
2024	49.1	329 of 683	51.8%	★★★☆☆
2023	56.5	266 of 649	59.0%	★★★☆☆
2022	58.5	229 of 594	61.4%	★★★☆☆
2021	63.3	155 of 352	56.0%	★★★☆☆
2019	45.9	379 of 764	50.4%	★★★☆☆
2018	33.1	452 of 693	34.8%	★★☆☆☆

White

Year	Avg score	Statewide rank	Colorado percentile	Rating
2025	52.4	270 of 551	51.0%	★★★☆☆
2024	44.5	308 of 539	42.9%	★★☆☆☆
2023	43.7	302 of 525	42.5%	★★☆☆☆
2022	40.0	300 of 454	33.9%	★★☆☆☆
2021	60.9	124 of 288	56.9%	★★★☆☆
2019	39.6	366 of 596	38.6%	★★☆☆☆

Middle school ranking

Show full rank history (all student groups)

All Students

Year	Avg score	Statewide rank	Colorado percentile	Rating
2025	61.8	150 of 469	68.0%	★★★☆☆
2024	57.0	178 of 485	63.3%	★★★☆☆
2023	50.6	214 of 480	55.4%	★★★☆☆

Female

Year	Avg score	Statewide rank	Colorado percentile	Rating
2025	52.2	145 of 347	58.2%	★★★☆☆
2024	37.4	195 of 350	44.3%	★★☆☆☆
2023	39.7	196 of 363	46.0%	★★☆☆☆
2022	25.8	231 of 326	29.1%	★☆☆☆☆

Hispanic

Year	Avg score	Statewide rank	Colorado percentile	Rating
2023	66.0	46 of 198	76.8%	★★★★☆

Male

Year	Avg score	Statewide rank	Colorado percentile	Rating
2025	60.0	121 of 352	65.6%	★★★☆☆
2024	68.5	91 of 357	74.5%	★★★★☆
2023	51.6	141 of 356	60.4%	★★★☆☆
2022	47.1	153 of 328	53.4%	★★★☆☆

White

Year	Avg score	Statewide rank	Colorado percentile	Rating
2025	52.6	122 of 275	55.6%	★★★☆☆
2024	43.7	143 of 273	47.6%	★★☆☆☆
2023	37.7	177 of 286	38.1%	★★☆☆☆
2022	29.4	191 of 265	27.9%	★☆☆☆☆

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)

Elementary school

Female (2025)67th percentile~ school

Hispanic (2025)55th percentile-11 vs school

Male (2025)53rd percentile-13 vs school

White (2025)51st percentile-15 vs school

Low Socio Economic Status (2019)51st percentile-7 vs school

Middle school

Hispanic (2023)77th percentile+21 vs school

Male (2025)66th percentile~ school

Female (2025)58th percentile-10 vs school

White (2025)56th percentile-12 vs school

By subject vs Colorado (2024-2025) ?

English Language Arts51%+6 vs state

Math46%+10 vs state

Science38%~ state avg

★

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Schools Near Addenbrooke Classical Grammar School

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

School													Students/Teachers											Ranking (2025)				Ranking (2024)				CMAS English Language Arts (2025)							CMAS Math (2025)							CMAS Science (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	CMAS English Language Arts 3rd Grade	CMAS English Language Arts 4th Grade	CMAS English Language Arts 5th Grade	CMAS English Language Arts 6th Grade	CMAS English Language Arts 7th Grade	CMAS English Language Arts 8th Grade	CMAS English Language Arts All Grades	CMAS Math 3rd Grade	CMAS Math 4th Grade	CMAS Math 5th Grade	CMAS Math 6th Grade	CMAS Math 7th Grade	CMAS Math 8th Grade	CMAS Math All Grades	CMAS Science 5th Grade	CMAS Science 8th Grade	Total
Addenbrooke Classical Grammar School	Public, Charter	PK, KG-8	7114 West Jefferson Avenue	Lakewood	80235	Jefferson County	Jefferson County School District No. R-1	Yes	No	No	No	(303) 986-5791	774	45	17.1		477 (61.6%)	10 (1.3%)	235 (30.4%)	27 (3.5%)	1 (0.1%)	1 (0.1%)	23 (3.0%)	64.4	321^st of 950 public elementary schools	66.2%		55.7	399^th of 943 public elementary schools	57.7%	78	43.2	48.7	56.8	52.0	55.7	49.3	50.7	58.0	50.0	45.2	46.7	28.6	46.4	46.4	37.8	37.7	$8,405
Traylor Academy	Public	PK, KG-5	2900 South Ivan Way	Denver	80227	Denver County	School District No. 1	No	No	No	Yes	(720) 424-3480	300	20	14.9	66.3%	32 (10.7%)	11 (3.7%)	232 (77.3%)	12 (4.0%)	2 (0.7%)	0 (0.0%)	11 (3.7%)	10.3	882^nd of 950 public elementary schools	7.2%		11.2	863^rd of 943 public elementary schools	8.5%	19	17.2	10.5	23.4				17.5	19.5	7.5	14.9				14.1	14.9		$19,307
Westgate Elementary School	Public	PK, KG-5	8550 West Vassar Drive	Lakewood	80227	Jefferson County	Jefferson County School District No. R-1	No	No	No	Yes	(303) 982-9130	305	21	14.4	68.9%	107 (35.1%)	12 (3.9%)	145 (47.5%)	13 (4.3%)	1 (0.3%)	1 (0.3%)	26 (8.5%)	10.8	872^nd of 950 public elementary schools	8.2%		17.4	773^rd of 943 public elementary schools	18.0%	99	10.5	21.2	25.0				19.6	18.4	7.8	14.0				12.9	14.3		$17,840
Sabin World School	Public	PK, KG-5	3050 South Vrain Street	Denver	80236	Denver County	School District No. 1	No	No	No	Yes	(720) 424-4520	559	35	16.1	65.1%	156 (27.9%)	35 (6.3%)	313 (56.0%)	25 (4.5%)	1 (0.2%)	0 (0.0%)	27 (4.8%)	59.6	364^th of 950 public elementary schools	61.7%		47.5	472^nd of 943 public elementary schools	49.9%	108	47.4	40.3	56.9				48.0	39.1	49.4	50.7				45.9	44.9		$18,439
Bear Creek K-8 School	Public	K-8	9601 West Dartmouth Place	Lakewood	80227	Jefferson County	Jefferson County School District No. R-1	No	No	No	No	(303) 982-8714	863	50	17.2	50.5%	342 (39.6%)	12 (1.4%)	400 (46.3%)	63 (7.3%)	8 (0.9%)	0 (0.0%)	38 (4.4%)	32.5	592^nd of 950 public elementary schools	37.7%		35.7	556^th of 943 public elementary schools	41.0%	36	30.5	21.4	49.6	42.7	46.6	46.7	40.6	26.3	15.5	26.8	29.1	16.7	27.9	24.0	31.5	31.4	$15,720
Kaiser Elementary School	Public	PK, KG-5	4500 South Quitman Street	Denver	80236	Denver County	School District No. 1	No	No	No	Yes	(720) 424-6210	243	18	13.5	73.7%	56 (23.0%)	17 (7.0%)	152 (62.6%)	10 (4.1%)	0 (0.0%)	0 (0.0%)	8 (3.3%)	18.3	760^th of 950 public elementary schools	20.0%		22.6	701^st of 943 public elementary schools	25.7%	59	17.6	16.7	31.8				21.7		16.7					22.4	31.8		$26,461
Grant Ranch Ece-8 School	Public	PK, KG-8	5400 South Jay Circle	Denver	80123	Denver County	School District No. 1	No	No	No	Yes	(720) 424-6880	334	22	14.9	67.4%	104 (31.1%)	20 (6.0%)	176 (52.7%)	14 (4.2%)	0 (0.0%)	1 (0.3%)	18 (5.4%)	14.6	815^th of 950 public elementary schools	14.2%		22.2	709^th of 943 public elementary schools	24.8%	106	32.0	12.5	10.7	18.8	33.3	32.1	23.2	20.0	20.8		15.6		10.7	14.0			$19,674
Green Gables Elementary School	Public	PK, KG-5	8701 West Woodard Drive	Lakewood	80227	Jefferson County	Jefferson County School District No. R-1	No	No	No	No	(303) 982-8314	315	20	15.8	33.7%	198 (62.9%)	6 (1.9%)	87 (27.6%)	10 (3.2%)	2 (0.6%)	1 (0.3%)	11 (3.5%)	37.5	551^st of 950 public elementary schools	42.0%		32.2	585^th of 943 public elementary schools	38.0%	34	33.9	53.1	45.8				43.8	33.3	30.6	18.8				27.9	27.1		$16,021
Governor's Ranch Elementary School	Public	PK, KG-5	5354 South Field Street	Littleton	80123	Jefferson County	Jefferson County School District No. R-1	No	No	No	No	(303) 982-4625	458	28	16.2	21.4%	343 (74.9%)	3 (0.7%)	72 (15.7%)	16 (3.5%)	1 (0.2%)	1 (0.2%)	22 (4.8%)	74	235^th of 950 public elementary schools	75.3%		78.3	180^th of 943 public elementary schools	80.9%	55	60.3	57.1	64.5				60.6	43.8	61.5	53.2				52.9	45.8		$15,523
Doull Elementary School	Public	PK, KG-5	2520 South Utica Street	Denver	80219	Denver County	School District No. 1	No	No	No	Yes	(720) 424-8000	381	24	16.0	85.3%	26 (6.8%)	2 (0.5%)	336 (88.2%)	7 (1.8%)	3 (0.8%)	0 (0.0%)	7 (1.8%)	30	615^th of 950 public elementary schools	35.3%		35.2	562^nd of 943 public elementary schools	40.4%	53	39.3	30.0	39.5				36.6	20.8	37.9	34.9				30.0	14.0		$20,340

Frequently Asked Questions about Addenbrooke Classical Grammar School

Is Addenbrooke Classical Grammar School a good school?

Addenbrooke Classical Grammar School ranks 321^st of 950 Colorado elementary schools. SchoolDigger rates this school 3 stars out of 5.

What is the racial makeup of Addenbrooke Classical Grammar School?

Students at Addenbrooke Classical Grammar School are 62% White, 30% Hispanic, 3% Asian, 3% Two or more races, 1% African American.

How many students attend Addenbrooke Classical Grammar School?

In the 2024-25 school year, 774 students attended Addenbrooke Classical Grammar School.

What district is Addenbrooke Classical Grammar School in?

Jefferson County School District No. R-1

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