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Byam School

Q: Is Byam School a good school?

Byam School ranks 191 st of 899 Massachusetts elementary schools. SchoolDigger rates this school 4 stars out of 5.

Public Grades K-4

191^st

SchoolDigger Rank ?

of 899 Massachusetts Elementary Schools

Better than 79% of Massachusetts elementary schools

Summary

Byam School is a K–4 elementary school serving 510 students in Chelmsford, MA, one of several K–4 schools in the Chelmsford district. In 2025–26 it ranked 191st of 899 ranked Massachusetts elementary schools — the 79th percentile, 4 stars — its best result in the past decade and a steady climb from the 59th percentile in 2015–16, 66th in 2022–23, and 73rd in both 2023–24 and 2024–25.

Academically, ELA is Byam's clearest strength: 59.11% of students were proficient, compared with 53.49% across Chelmsford and 40.03% statewide — roughly 19 points above the state and essentially tied with South Row (59.30%) for the top K–4 ELA result in the district. Math is solid but less distinctive at 55.61%: about 14.5 points above the state, yet only 0.61 points above the district, and behind both South Row (67.05%) and Center Elementary School (56.82%), while ahead of Charles D Harrington (50.00%). Grade-level results show Byam's ELA above district in both tested grades, but its 3rd-grade math (51.46%) below the district's 53.95%.

Within Chelmsford, Byam is the second-ranked K–4 school behind South Row, and it comfortably outperforms Lowell's Dr Gertrude Bailey and Washington. It trails Carlisle School (75.37 ELA / 76.49 math) and Westford's Abbot Elementary (60.17 / 70.06), and sits very close to John A. Crisafulli Elementary School (78th percentile), which has higher math and lower ELA. Byam's subgroup effectiveness rankings vary widely — male students 86th percentile, female students 68th, and Asian students 17th percentile with 1 star, a bottom-quartile result for three straight years — the most notable equity concern in this data.

510

Students ?

12.9

Student/teacher ratio ?

$17,473

Per pupil spending ?

17.8%

Directly certified for free meals (2024-25) ?

All students in Massachusetts receive free school meals.

99%

Kindergartners with all required immunizations (2025-26)

Exemptions: 1% (any vaccine)

25 Maple Road
Chelmsford, MA 01824

(978) 251-5144

District: Chelmsford

Students who attend Byam School usually attend:

Middle:	Col Moses Parker School
High:	Chelmsford High

Racial breakdown:

White:

65.1%

Asian:

14.5%

Hispanic:

11.2%

See top rated Massachusetts elementary schools

Compare Byam School to nearby elementary schools!

At a glance

▲ Ranking trend: Improving — 59th percentile in 2016 → 79th in 2026

Strengths

✓Test scores above the Massachusetts average (57% vs 41% meeting standards)

✓Ranks in the top 21% of Massachusetts elementary schools

✓Ranking is trending up — up 20 percentile points since 2016

Worth a look

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

Students meeting standards (2025-2026) ?

This school57%

District avg54%

Massachusetts avg41%

191^st of 899

Massachusetts public elementary schools ?

Top 21%▲ up 19 pts since 2016

From top 41% (2016) to top 21% (2026)

See the entire ranking list of Massachusetts Elementary Schools →

★★★★★

SchoolDigger rating ?

2^nd of 4Elementary Schools in the Chelmsford

73^rd of 351Chelmsford among Massachusetts 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

Year	Avg score	Statewide rank	Massachusetts percentile	Rating
2026	77.9	191 of 899	78.8%	★★★★☆
2025	73.1	246 of 906	72.8%	★★★★☆
2024	74.7	249 of 916	72.8%	★★★★☆
2023	65.9	313 of 928	66.3%	★★★☆☆
2022	66.8	310 of 932	66.7%	★★★☆☆
2021	75.9	224 of 936	76.1%	★★★★☆
2019	75.0	231 of 942	75.5%	★★★★☆
2018	77.0	206 of 934	77.9%	★★★★☆
2017	70.9	266 of 938	71.6%	★★★★☆
2016	61.2	378 of 932	59.4%	★★★☆☆
2015	65.6	330 of 914	63.9%	★★★☆☆
2014	60.9	399 of 926	56.9%	★★★☆☆
2013	74.6	238 of 928	74.4%	★★★★☆
2012	77.9	201 of 930	78.4%	★★★★☆
2011	82.2	150 of 924	83.8%	★★★★☆
2010	82.7	147 of 920	84.0%	★★★★☆
2009	80.4	162 of 909	82.2%	★★★★☆
2008	78.7	180 of 908	80.2%	★★★★☆
2007	87.3	73 of 911	92.0%	★★★★★
2006	84.4	124 of 911	86.4%	★★★★☆
2005	88.3	64 of 887	92.8%	★★★★★
2004	88.2	69 of 882	92.2%	★★★★★
2003	86.1	94 of 884	89.4%	★★★★☆

Asian

Year	Avg score	Statewide rank	Massachusetts percentile	Rating
2026	25.6	124 of 149	16.8%	★☆☆☆☆
2025	37.0	106 of 142	25.4%	★☆☆☆☆
2024	22.2	130 of 152	14.5%	★☆☆☆☆
2023	42.1	101 of 145	30.3%	★★☆☆☆
2022	50.3	88 of 143	38.5%	★★☆☆☆

Disabled

Year	Avg score	Statewide rank	Massachusetts percentile	Rating
2022	48.9	291 of 672	56.7%	★★★☆☆
2021	54.9	227 of 632	64.1%	★★★☆☆
2019	60.5	205 of 665	69.2%	★★★☆☆
2018	48.9	273 of 656	58.4%	★★★☆☆

Female

Year	Avg score	Statewide rank	Massachusetts percentile	Rating
2026	66.6	280 of 869	67.8%	★★★☆☆
2025	65.1	308 of 869	64.6%	★★★☆☆
2024	65.4	306 of 886	65.5%	★★★☆☆
2023	65.4	315 of 887	64.5%	★★★☆☆
2022	62.8	334 of 901	62.9%	★★★☆☆
2021	75.8	203 of 898	77.4%	★★★★☆
2019	77.5	180 of 902	80.0%	★★★★☆
2018	77.2	175 of 893	80.4%	★★★★☆

Hispanic

Year	Avg score	Statewide rank	Massachusetts percentile	Rating
2026	71.4	75 of 475	84.2%	★★★★☆

Low Socio Economic Status

Year	Avg score	Statewide rank	Massachusetts percentile	Rating
2026	66.6	175 of 742	76.4%	★★★★☆
2025	74.6	104 of 736	85.9%	★★★★☆
2024	58.2	270 of 760	64.5%	★★★☆☆
2023	44.7	423 of 757	44.1%	★★☆☆☆
2022	41.5	465 of 772	39.8%	★★☆☆☆
2021	39.0	441 of 705	37.4%	★★☆☆☆
2019	46.2	383 of 700	45.3%	★★☆☆☆
2018	56.1	263 of 685	61.6%	★★★☆☆

Male

Year	Avg score	Statewide rank	Massachusetts percentile	Rating
2026	84.1	123 of 879	86.0%	★★★★☆
2025	76.7	194 of 884	78.1%	★★★★☆
2024	81.4	153 of 891	82.8%	★★★★☆
2023	64.3	321 of 896	64.2%	★★★☆☆
2022	69.3	275 of 908	69.7%	★★★☆☆
2021	71.9	248 of 904	72.6%	★★★★☆
2019	68.5	284 of 907	68.7%	★★★☆☆
2018	76.9	199 of 898	77.8%	★★★★☆

Special Education

Year	Avg score	Statewide rank	Massachusetts percentile	Rating
2026	66.2	177 of 709	75.0%	★★★★☆
2025	55.3	241 of 717	66.4%	★★★☆☆
2024	57.5	241 of 731	67.0%	★★★☆☆
2023	42.4	370 of 703	47.4%	★★☆☆☆
2022	38.7	582 of 905	35.7%	★★☆☆☆
2021	56.9	332 of 894	62.9%	★★★☆☆
2019	41.9	544 of 896	39.3%	★★☆☆☆
2018	42.8	518 of 886	41.5%	★★☆☆☆

Tested In Person

Year	Avg score	Statewide rank	Massachusetts percentile	Rating
2021	74.2	240 of 925	74.1%	★★★★☆

White

Year	Avg score	Statewide rank	Massachusetts percentile	Rating
2026	71.0	177 of 734	75.9%	★★★★☆
2025	64.0	257 of 737	65.1%	★★★☆☆
2024	68.8	221 of 753	70.7%	★★★★☆
2023	56.1	331 of 762	56.6%	★★★☆☆
2022	55.9	341 of 764	55.4%	★★★☆☆
2021	62.5	266 of 765	65.2%	★★★☆☆
2019	65.8	248 of 780	68.2%	★★★☆☆
2018	70.8	208 of 772	73.1%	★★★★☆

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 (2026)86th percentile+7 vs school

Hispanic (2026)84th percentile+5 vs school

Low Socio Economic Status (2026)76th percentile~ school

White (2026)76th percentile-3 vs school

Special Education (2026)75th percentile-4 vs school

Tested In Person (2021)74th percentile~ school

Female (2026)68th percentile-11 vs school

Disabled (2022)57th percentile-10 vs school

Asian (2026)17th percentile-62 vs school

By subject vs Massachusetts (2025-2026) ?

English Language Arts59%+19 vs state

Mathematics56%+15 vs state

1.0

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What people are saying

by a parent
Thursday, November 23, 2023

First Grade experience was pretty bad for our kid. Discriminative behave by the principle. Left the area cause of the performance of this school. Close Quote

Schools Near Byam School

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Ranking:

E Elementary M Middle H High A Alternative P Private

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

School													Students/Teachers											Ranking (2026)				Ranking (2025)				MCAS Next Generation English Language Arts (2026)							MCAS Next Generation Mathematics (2026)							MCAS Next Generation Science (2026)			MCAS Next Generation Civics (2026)	Vaccination (2025-26)		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	Directly certified (2024-25)	White	Black	Hispanic	Asian	American Indian	Pacific Islander	Two or More Races	Average Standard Score (2026)	Statewide Rank (2026)	State Percentile (2026)	SchoolDigger Rating (2026)	Average Standard Score (2025)	Statewide Rank (2025)	State Percentile (2025)	Rank Change from Previous Year	MCAS Next Generation English Language Arts 3rd Grade	MCAS Next Generation English Language Arts 4th Grade	MCAS Next Generation English Language Arts 5th Grade	MCAS Next Generation English Language Arts 6th Grade	MCAS Next Generation English Language Arts 7th Grade	MCAS Next Generation English Language Arts 8th Grade	MCAS Next Generation English Language Arts All Grades	MCAS Next Generation Mathematics 3rd Grade	MCAS Next Generation Mathematics 4th Grade	MCAS Next Generation Mathematics 5th Grade	MCAS Next Generation Mathematics 6th Grade	MCAS Next Generation Mathematics 7th Grade	MCAS Next Generation Mathematics 8th Grade	MCAS Next Generation Mathematics All Grades	MCAS Next Generation Science 5th Grade	MCAS Next Generation Science 8th Grade	MCAS Next Generation Science All Grades	MCAS Next Generation Civics 8th Grade	Vaccination: Kindergartners with all required immunizations	Vaccination: Exemption rate	Total
Byam School	Public	K-4	25 Maple Road	Chelmsford	01824	Middlesex County	Chelmsford	No	No	No	Yes	(978) 251-5144	510	39	12.9	17.8%	332 (65.1%)	19 (3.7%)	57 (11.2%)	74 (14.5%)	1 (0.2%)	3 (0.6%)	24 (4.7%)	77.9	191^st of 899 public elementary schools	78.8%		73.1	246^th of 906 public elementary schools	72.8%	55	63.7	54.5					59.1	51.5	59.8					55.6					99%	1%	$17,473
South Row	Public	K-4	250 Boston Rd	Chelmsford	01824	Middlesex County	Chelmsford	No	No	No	No	(978) 251-5177	464	35	13.3	11.2%	304 (65.5%)	14 (3.0%)	39 (8.4%)	78 (16.8%)	1 (0.2%)	0 (0.0%)	28 (6.0%)	84.5	131^st of 899 public elementary schools	85.4%		82.8	147^th of 906 public elementary schools	83.8%	16	67.9	51.7					59.3	75.3	59.8					67.1					96%	3%	$16,944
Center Elementary School	Public	K-4	84 Billerica Road	Chelmsford	01824	Middlesex County	Chelmsford	No	No	No	Yes	(978) 251-5155	480	37	12.8	13.8%	296 (61.7%)	25 (5.2%)	36 (7.5%)	99 (20.6%)	0 (0.0%)	2 (0.4%)	22 (4.6%)	71.9	248^th of 899 public elementary schools	72.4%		72.4	252^nd of 906 public elementary schools	72.2%	4	50.0	52.6					51.4	46.3	65.6					56.8					98%	0%	$17,135
Abbot Elementary	Public	3-5	25 Depot Street	Westford	01886	Middlesex County	Westford	No	No	No	No	(978) 692-5580	371	28	13.0	6.7%	268 (72.2%)	5 (1.3%)	9 (2.4%)	84 (22.6%)	1 (0.3%)	0 (0.0%)	4 (1.1%)	88.6	92^nd of 899 public elementary schools	89.8%		86	116^th of 906 public elementary schools	87.2%	24	58.6	63.5	59.0				60.2	62.2	76.2	71.7				70.1	73.9		73.9				$17,458
Nabnasset	Public	PK, KG-2	99 Plain Road	Westford	01886	Middlesex County	Westford	No	No	No	No	(978) 692-5583	345	27	12.6	7.0%	232 (67.2%)	6 (1.7%)	14 (4.1%)	79 (22.9%)	1 (0.3%)	0 (0.0%)	13 (3.8%)								(n/a)																			100%	0%	$18,421
Charles D Harrington	Public	K-4	120 Richardson Rd	North Chelmsford	01863	Middlesex County	Chelmsford	No	No	No	Yes	(978) 251-5166	468	38	12.2	26.1%	264 (56.4%)	28 (6.0%)	59 (12.6%)	89 (19.0%)	1 (0.2%)	1 (0.2%)	26 (5.6%)	63.2	329^th of 899 public elementary schools	63.4%		57.5	381^st of 906 public elementary schools	57.9%	52	50.0	44.7					47.4	47.9	52.1					50.0					96%	1%	$17,030
Carlisle School	Public	PK, KG-8	83 School Street	Carlisle	01741	Middlesex County	Carlisle	No	No	No	Yes	(978) 369-4102	612	60	10.2	4.9%	438 (71.6%)	2 (0.3%)	39 (6.4%)	73 (11.9%)	0 (0.0%)	3 (0.5%)	57 (9.3%)	95.3	19^th of 899 public elementary schools	97.9%		93	43^rd of 906 public elementary schools	95.3%	24	73.4	74.1	71.0	80.7	71.8	83.3	75.4	67.2	75.3	77.4	81.0	75.6	83.6	76.5	82.3	81.7	82.0	71.7	98%	2%	$24,412
John A. Crisafulli Elementary School	Public	3-5	13 Robinson Road	Westford	01886	Middlesex County	Westford	No	No	No	No	(978) 392-4483	342	25	13.4	9.9%	198 (57.9%)	9 (2.6%)	21 (6.1%)	105 (30.7%)	1 (0.3%)	0 (0.0%)	8 (2.3%)	77.6	196^th of 899 public elementary schools	78.2%		83	145^th of 906 public elementary schools	84.0%	51	56.4	47.3	54.7				53.0	53.5	53.2	69.8				58.8	69.0		69.0				$18,420
Dr Gertrude Bailey	Public	PK, KG-4	175 Campbell Drive	Lowell	01851	Middlesex County	Lowell	No	No	No	Yes	(978) 937-7644	454	36	12.6	63.2%	97 (21.4%)	37 (8.1%)	139 (30.6%)	155 (34.1%)	0 (0.0%)	0 (0.0%)	26 (5.7%)	55.9	395^th of 899 public elementary schools	56.1%		53.1	423^rd of 906 public elementary schools	53.3%	28	41.6	38.8					40.1	50.0	50.6					50.3					98%	2%	$23,461
Col John Robinson	Public	PK, KG-2	60 Concord Road	Westford	01886	Middlesex County	Westford	No	No	No	Yes	(978) 692-5586	346	25	13.8	10.1%	178 (51.4%)	10 (2.9%)	17 (4.9%)	121 (35.0%)	0 (0.0%)	0 (0.0%)	20 (5.8%)								(n/a)																			93%	6%	$17,835

Frequently Asked Questions about Byam School

How many students attend Byam School?

In the 2024-25 school year, 510 students attended Byam School.

What is the racial makeup of Byam School?

Students at Byam School are 65% White, 15% Asian, 11% Hispanic, 5% Two or more races, 4% African American.

What district is Byam School in?

Chelmsford

What schools do graduates of Byam School attend?

Students who attend Byam School usually go on to attend:

Middle : Col Moses Parker School
High : Chelmsford High

Is Byam School a good school?

Byam School ranks 191^st of 899 Massachusetts elementary schools. SchoolDigger rates this school 4 stars out of 5.

Rate Byam School!

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Latest Massachusetts data All new data »

2013–14 through 2025–26 immunization rates (updated)NewOct 20, 2026

2024–25 dropout rates & graduation ratesMar 5, 2026

2024–25 MCAS Next Generation test scoresSep 29, 2025

2023–24 school spending dataMay 8, 2025

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