Schools by Math Proficiency in Cobb County (2025)

Schools ranked by the share of tested students proficient or above in math on the state assessment (EDFacts, all students), for schools with 30 or more tested students. Listed with official data; 100 schools in Cobb County, Georgia. Rank positions shown on each profile are within United States and Georgia.

#	School	Sector	Math · reading	Success Index (US)	Key result	Students
1	Walton High School Marietta · High · Grades 9–12	Charter	89% · 90%	84.6 Top 5%	89% Math proficiency	2,705
2	Dodgen Middle School Marietta · Middle · Grades 6–8	Public	89% · 84%	88.6 Top 5%	89% Math proficiency	1,178
3	Dickerson Middle School Marietta · Middle · Grades 6–8	Public	89% · 82%	86.8 Top 5%	89% Math proficiency	1,225
4	Hightower Trail Middle School Marietta · Middle · Grades 6–8	Public	89% · 81%	88.9 Top 5%	89% Math proficiency	944
5	Murdock Elementary School Marietta · Elementary · Grades PK–5	Public	88% · 82%	91.1 Top 5%	88% Math proficiency	847
6	Timber Ridge Elementary School Marietta · Elementary · Grades PK–5	Public	87% · 84%	92.3 Top 5%	87% Math proficiency	529
7	Lassiter High School Marietta · High · Grades 9–12	Public	85% · 84%	82.9 Top 10%	85% Math proficiency	2,005
8	Mount Bethel Elementary School Marietta · Elementary · Grades PK–5	Public	84% · 84%	91.9 Top 5%	84% Math proficiency	898
9	Sope Creek Elementary School Marietta · Elementary · Grades PK–5	Public	84% · 81%	89.0 Top 5%	84% Math proficiency	1,104
10	Mountain View Elementary School Marietta · Elementary · Grades PK–5	Public	84% · 80%	89.8 Top 5%	84% Math proficiency	837
11	Tritt Elementary School Marietta · Elementary · Grades PK–5	Public	81% · 85%	91.1 Top 5%	81% Math proficiency	804
12	East Side Elementary School Marietta · Elementary · Grades PK–5	Public	81% · 81%	87.6 Top 5%	81% Math proficiency	1,072
13	Shallowford Falls Elementary School Marietta · Elementary · Grades PK–5	Public	81% · 79%	92.3 Top 5%	81% Math proficiency	591
14	Pope High School Marietta · High · Grades 9–12	Public	80% · 84%	83.2 Top 5%	80% Math proficiency	1,793
15	Ford Elementary School Acworth · Elementary · Grades PK–5	Public	79% · 73%	87.1 Top 5%	79% Math proficiency	750
16	Harrison High School Kennesaw · High · Grades 9–12	Public	77% · 78%	79.4 Top 10%	77% Math proficiency	2,224
17	Mabry Middle School Marietta · Middle · Grades 6–8	Public	77% · 72%	83.3 Top 10%	77% Math proficiency	938
18	Kemp Elementary School Powder Springs · Elementary · Grades PK–5	Public	77% · 71%	83.6 Top 10%	77% Math proficiency	894
19	Lost Mountain Middle School Kennesaw · Middle · Grades 6–8	Public	76% · 76%	83.0 Top 10%	76% Math proficiency	979
20	Garrison Mill Elementary School Marietta · Elementary · Grades PK–5	Public	76% · 74%	86.0 Top 5%	76% Math proficiency	649
21	Simpson Middle School Marietta · Middle · Grades 6–8	Public	75% · 74%	83.7 Top 10%	75% Math proficiency	884
22	Kincaid Elementary School Marietta · Elementary · Grades PK–5	Public	73% · 66%	80.2 Top 10%	73% Math proficiency	603
23	Durham Middle School Acworth · Middle · Grades 6–8	Public	72% · 72%	81.2 Top 10%	72% Math proficiency	984
24	Hillgrove High School Powder Springs · High · Grades 9–12	Public	72% · 69%	71.3 Top 25%	72% Math proficiency	2,282
25	Due West Elementary School Marietta · Elementary · Grades PK–5	Public	71% · 74%	85.6 Top 5%	71% Math proficiency	626
26	McClure Middle School Kennesaw · Middle · Grades 6–8	Public	70% · 66%	77.2 Top 25%	70% Math proficiency	1,030
27	Vaughan Elementary School Powder Springs · Elementary · Grades PK–5	Public	70% · 65%	82.4 Top 10%	70% Math proficiency	600
28	Frey Elementary School Acworth · Elementary · Grades PK–5	Public	70% · 64%	80.2 Top 10%	70% Math proficiency	691
29	Pickett's Mill Elementary School Acworth · Elementary · Grades PK–5	Public	69% · 64%	77.7 Top 25%	69% Math proficiency	753
30	Rocky Mount Elementary School Marietta · Elementary · Grades PK–5	Public	68% · 76%	84.7 Top 10%	68% Math proficiency	576
31	Davis Elementary School Marietta · Elementary · Grades PK–5	Public	68% · 70%	80.8 Top 10%	68% Math proficiency	635
32	Lovinggood Middle School Powder Springs · Middle · Grades 6–8	Public	67% · 68%	74.8 Top 25%	67% Math proficiency	1,209
33	Addison Elementary School Marietta · Elementary · Grades PK–5	Public	67% · 62%	77.6 Top 25%	67% Math proficiency	571
34	Allatoona High School Acworth · High · Grades 9–12	Public	66% · 66%	71.0 Top 25%	66% Math proficiency	1,560
35	Cheatham Hill Elementary School Marietta · Elementary · Grades PK–5	Public	66% · 54%	68.9 Top 25%	66% Math proficiency	1,021
36	Bells Ferry Elementary School Marietta · Elementary · Grades PK–5	Public	64% · 55%	62.5 Top 50%	64% Math proficiency	704
37	Bullard Elementary School Kennesaw · Elementary · Grades PK–5	Public	63% · 63%	77.0 Top 25%	63% Math proficiency	799
38	Palmer Middle School Kennesaw · Middle · Grades 6–8	Public	62% · 55%	61.6 Top 50%	62% Math proficiency	803
39	Still Elementary School Powder Springs · Elementary · Grades PK–5	Public	60% · 61%	73.9 Top 25%	60% Math proficiency	755
40	King Springs Elementary School Smyrna · Elementary · Grades PK–5	Public	59% · 59%	72.2 Top 25%	59% Math proficiency	1,101
41	Baker Elementary School Acworth · Elementary · Grades PK–5	Public	59% · 54%	67.5 Top 50%	59% Math proficiency	738
42	Eastvalley Elementary School Marietta · Elementary · Grades PK–5	Public	59% · 53%	67.5 Top 50%	59% Math proficiency	679
43	Kennesaw Mountain High School Kennesaw · High · Grades 9–12	Public	58% · 62%	64.1 Top 50%	58% Math proficiency	1,695
44	Chalker Elementary School Kennesaw · Elementary · Grades PK–5	Public	58% · 60%	69.0 Top 25%	58% Math proficiency	679
45	Lewis Elementary School Kennesaw · Elementary · Grades PK–5	Public	58% · 52%	63.1 Top 50%	58% Math proficiency	550
46	Teasley Elementary School Smyrna · Elementary · Grades PK–5	Public	56% · 61%	66.0 Top 50%	56% Math proficiency	974
47	Keheley Elementary School Marietta · Elementary · Grades PK–5	Public	55% · 58%	71.3 Top 25%	55% Math proficiency	393
48	Big Shanty Elementary School Kennesaw · Elementary · Grades 3–5	Public	55% · 47%	60.7 Top 50%	55% Math proficiency	511
49	Pitner Elementary School Acworth · Elementary · Grades PK–5	Public	54% · 56%	61.6 Top 50%	54% Math proficiency	802
50	McCleskey Middle School Marietta · Middle · Grades 6–8	Public	53% · 58%	67.0 Top 50%	53% Math proficiency	540
51	Wheeler High School Marietta · High · Grades 9–12	Public	53% · 54%	54.5 Top 50%	53% Math proficiency	2,401
52	Barber Middle School Acworth · Middle · Grades 6–8	Public	52% · 53%	57.0 Top 50%	52% Math proficiency	790
53	Nicholson Elementary School Marietta · Elementary · Grades PK–5	Public	52% · 52%	64.2 Top 50%	52% Math proficiency	413
54	Pine Mountain Middle School Kennesaw · Middle · Grades 6–8	Public	52% · 50%	60.0 Top 50%	52% Math proficiency	506
55	Milford Elementary School Marietta · Elementary · Grades PK–5	Public	52% · 42%	44.5 Lower 50%	52% Math proficiency	389
56	Daniell Middle School Marietta · Middle · Grades 6–8	Public	51% · 56%	57.1 Top 50%	51% Math proficiency	884
57	Nickajack Elementary School Smyrna · Elementary · Grades PK–5	Public	50% · 48%	54.9 Top 50%	50% Math proficiency	1,260
58	Awtrey Middle School Kennesaw · Middle · Grades 6–8	Public	49% · 55%	62.5 Top 50%	49% Math proficiency	593
59	North Cobb High School Kennesaw · High · Grades 9–12	Public	49% · 53%	51.7 Top 50%	49% Math proficiency	2,463
60	Blackwell Elementary School Marietta · Elementary · Grades PK–5	Public	47% · 47%	54.7 Top 50%	47% Math proficiency	580
61	Varner Elementary School Powder Springs · Elementary · Grades PK–5	Public	47% · 45%	51.1 Top 50%	47% Math proficiency	705
62	Kell High School Marietta · High · Grades 9–12	Public	45% · 63%	56.9 Top 50%	45% Math proficiency	1,587
63	Sprayberry High School Marietta · High · Grades 9–12	Public	44% · 56%	51.3 Top 50%	44% Math proficiency	1,769
64	Tapp Middle School Powder Springs · Middle · Grades 6–8	Public	44% · 46%	41.2 Lower 50%	44% Math proficiency	809
65	East Cobb Middle School Marietta · Middle · Grades 6–8	Public	44% · 40%	41.0 Lower 50%	44% Math proficiency	1,352
66	LaBelle Elementary School Marietta · Elementary · Grades PK–5	Public	43% · 30%	33.2 Lower 50%	43% Math proficiency	339
67	Cooper Middle School Austell · Middle · Grades 6–8	Public	42% · 43%	36.3 Lower 50%	42% Math proficiency	1,000
68	Sedalia Park Elementary School Marietta · Elementary · Grades PK–5	Public	42% · 41%	43.9 Lower 50%	42% Math proficiency	634
69	Argyle Elementary School Smyrna · Elementary · Grades PK–5	Public	42% · 37%	37.0 Lower 50%	42% Math proficiency	333
70	Hendricks Elementary School Powder Springs · Elementary · Grades PK–5	Public	42% · 33%	31.3 Lower 50%	42% Math proficiency	538
71	Hayes Elementary School Kennesaw · Elementary · Grades PK–5	Public	41% · 39%	45.5 Lower 50%	41% Math proficiency	802
72	Clarkdale Elementary School Austell · Elementary · Grades PK–5	Public	41% · 36%	29.9 Lower 50%	41% Math proficiency	785
73	Norton Park Elementary School Smyrna · Elementary · Grades PK–5	Public	41% · 29%	30.7 Lower 50%	41% Math proficiency	643
74	Green Acres Elementary School Smyrna · Elementary · Grades PK–5	Public	41% · 24%	31.5 Lower 50%	41% Math proficiency	584
75	Acworth Elementary School Acworth · Elementary · Grades 2–5	Public	40% · 46%	47.5 Lower 50%	40% Math proficiency	499
76	Smyrna Elementary School Smyrna · Elementary · Grades PK–5	Public	40% · 41%	45.8 Lower 50%	40% Math proficiency	870
77	Austell Elementary School Austell · Elementary · Grades PK–5	Public	40% · 40%	35.1 Lower 50%	40% Math proficiency	367
78	Fair Oaks Elementary School Marietta · Elementary · Grades PK–5	Public	40% · 24%	28.8 Lower 50%	40% Math proficiency	703
79	McEachern High School Powder Springs · High · Grades 9–12	Public	39% · 47%	38.6 Lower 50%	39% Math proficiency	2,175
80	South Cobb High School Austell · High · Grades 9–12	Public	38% · 46%	35.3 Lower 50%	38% Math proficiency	2,081
81	Dowell Elementary School Marietta · Elementary · Grades PK–5	Public	38% · 42%	38.7 Lower 50%	38% Math proficiency	898
82	Griffin Middle School Smyrna · Middle · Grades 6–8	Public	38% · 41%	41.2 Lower 50%	38% Math proficiency	991
83	Russell Elementary School Smyrna · Elementary · Grades PK–5	Public	38% · 36%	34.8 Lower 50%	38% Math proficiency	568
84	Powder Springs Elementary School Powder Springs · Elementary · Grades PK–5	Public	38% · 35%	32.5 Lower 50%	38% Math proficiency	805
85	Campbell High School Smyrna · High · Grades 9–12	Public	37% · 51%	44.0 Lower 50%	37% Math proficiency	3,085
86	Hollydale Elementary School Marietta · Elementary · Grades PK–5	Public	36% · 30%	29.2 Lower 50%	36% Math proficiency	526
87	Clay-Harmony Leland Elementary School Mableton · Elementary · Grades PK–5	Public	35% · 33%	27.0 Lower 50%	35% Math proficiency	1,013
88	Compton Elementary School Powder Springs · Elementary · Grades PK–5	Public	34% · 33%	29.8 Lower 50%	34% Math proficiency	593
89	Smitha Middle School Marietta · Middle · Grades 6–8	Public	33% · 37%	29.2 Lower 50%	33% Math proficiency	866
90	Belmont Hills Elementary School Smyrna · Elementary · Grades PK–5	Public	32% · 32%	28.0 Lower 50%	32% Math proficiency	267
91	Betty Gray Middle School Mableton · Middle · Grades 6–8	Public	32% · 32%	23.2 Lower 50%	32% Math proficiency	702
92	Campbell Middle School Smyrna · Middle · Grades 6–8	Public	31% · 37%	33.7 Lower 50%	31% Math proficiency	1,368
93	Powers Ferry Elementary School Marietta · Elementary · Grades PK–5	Public	31% · 27%	26.3 Lower 50%	31% Math proficiency	475
94	Pebblebrook High School Mableton · High · Grades 9–12	Public	30% · 35%	24.1 Lower 50%	30% Math proficiency	2,574
95	Sanders Elementary School Austell · Elementary · Grades PK–5	Public	30% · 32%	25.7 Lower 50%	30% Math proficiency	626
96	Mableton Elementary School Mableton · Elementary · Grades PK–5	Public	30% · 29%	24.8 Lower 50%	30% Math proficiency	945
97	Floyd Middle School Mableton · Middle · Grades 6–8	Public	27% · 32%	21.8 Lower 50%	27% Math proficiency	776
98	Bryant Elementary School Mableton · Elementary · Grades PK–5	Public	27% · 27%	20.4 Lower 50%	27% Math proficiency	865
99	Garrett Middle School Austell · Middle · Grades 6–8	Public	26% · 30%	18.2 Lower 50%	26% Math proficiency	891
100	Lindley Middle School Mableton · Middle · Grades 6–8	Public	26% · 28%	20.6 Lower 50%	26% Math proficiency	905

Walton High School in Marietta leads the 2025 list of schools by math proficiency in Cobb County with Math · reading 89% · 90%. Of the 100 schools shown, 99 are public, 1 are charter.

For the full picture see the wider Georgia schools by math proficiency rankings, every school on the Cobb County page, or the comparison tool to put a shortlist side by side.

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Frequently asked questions

What is the best math results school in Cobb County?

Walton High School in Marietta, Georgia ranks first among schools by math proficiency in Cobb County with Math · reading 89% · 90% (Enrollment: 2,705).

How are schools by math proficiency in Cobb County ranked?

Schools ranked by the share of tested students proficient or above in math on the state assessment (EDFacts, all students), for schools with 30 or more tested students. Figures are the most recent published by the national authority and matched to the school directory.

Are these 2025 rankings official?

No. They are computed by Success Tutoring from official American data (Urban Institute Education Data Portal (NCES CCD, EDFacts); NCES Common Core of Data). States set their own assessments and proficiency cut scores, so proficiency rates are most comparable within a state. Use the state rankings for like-for-like comparisons.