Schools by Reading Proficiency in Cobb County (2025)

Schools ranked by the share of tested students proficient or above in reading/language arts (EDFacts, all 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	Reading · math	Success Index (US)	Key result	Students
1	Walton High School Marietta · High · Grades 9–12	Charter	90% · 89%	84.6 Top 5%	89% Math proficiency	2,705
2	Tritt Elementary School Marietta · Elementary · Grades PK–5	Public	85% · 81%	91.1 Top 5%	81% Math proficiency	804
3	Dodgen Middle School Marietta · Middle · Grades 6–8	Public	84% · 89%	88.6 Top 5%	89% Math proficiency	1,178
4	Timber Ridge Elementary School Marietta · Elementary · Grades PK–5	Public	84% · 87%	92.3 Top 5%	87% Math proficiency	529
5	Lassiter High School Marietta · High · Grades 9–12	Public	84% · 85%	82.9 Top 10%	85% Math proficiency	2,005
6	Mount Bethel Elementary School Marietta · Elementary · Grades PK–5	Public	84% · 84%	91.9 Top 5%	84% Math proficiency	898
7	Pope High School Marietta · High · Grades 9–12	Public	84% · 80%	83.2 Top 5%	80% Math proficiency	1,793
8	Dickerson Middle School Marietta · Middle · Grades 6–8	Public	82% · 89%	86.8 Top 5%	89% Math proficiency	1,225
9	Murdock Elementary School Marietta · Elementary · Grades PK–5	Public	82% · 88%	91.1 Top 5%	88% Math proficiency	847
10	Hightower Trail Middle School Marietta · Middle · Grades 6–8	Public	81% · 89%	88.9 Top 5%	89% Math proficiency	944
11	Sope Creek Elementary School Marietta · Elementary · Grades PK–5	Public	81% · 84%	89.0 Top 5%	84% Math proficiency	1,104
12	East Side Elementary School Marietta · Elementary · Grades PK–5	Public	81% · 81%	87.6 Top 5%	81% Math proficiency	1,072
13	Mountain View Elementary School Marietta · Elementary · Grades PK–5	Public	80% · 84%	89.8 Top 5%	84% Math proficiency	837
14	Shallowford Falls Elementary School Marietta · Elementary · Grades PK–5	Public	79% · 81%	92.3 Top 5%	81% Math proficiency	591
15	Harrison High School Kennesaw · High · Grades 9–12	Public	78% · 77%	79.4 Top 10%	77% Math proficiency	2,224
16	Lost Mountain Middle School Kennesaw · Middle · Grades 6–8	Public	76% · 76%	83.0 Top 10%	76% Math proficiency	979
17	Rocky Mount Elementary School Marietta · Elementary · Grades PK–5	Public	76% · 68%	84.7 Top 10%	68% Math proficiency	576
18	Garrison Mill Elementary School Marietta · Elementary · Grades PK–5	Public	74% · 76%	86.0 Top 5%	76% Math proficiency	649
19	Simpson Middle School Marietta · Middle · Grades 6–8	Public	74% · 75%	83.7 Top 10%	75% Math proficiency	884
20	Due West Elementary School Marietta · Elementary · Grades PK–5	Public	74% · 71%	85.6 Top 5%	71% Math proficiency	626
21	Ford Elementary School Acworth · Elementary · Grades PK–5	Public	73% · 79%	87.1 Top 5%	79% Math proficiency	750
22	Mabry Middle School Marietta · Middle · Grades 6–8	Public	72% · 77%	83.3 Top 10%	77% Math proficiency	938
23	Durham Middle School Acworth · Middle · Grades 6–8	Public	72% · 72%	81.2 Top 10%	72% Math proficiency	984
24	Kemp Elementary School Powder Springs · Elementary · Grades PK–5	Public	71% · 77%	83.6 Top 10%	77% Math proficiency	894
25	Davis Elementary School Marietta · Elementary · Grades PK–5	Public	70% · 68%	80.8 Top 10%	68% Math proficiency	635
26	Hillgrove High School Powder Springs · High · Grades 9–12	Public	69% · 72%	71.3 Top 25%	72% Math proficiency	2,282
27	Lovinggood Middle School Powder Springs · Middle · Grades 6–8	Public	68% · 67%	74.8 Top 25%	67% Math proficiency	1,209
28	Kincaid Elementary School Marietta · Elementary · Grades PK–5	Public	66% · 73%	80.2 Top 10%	73% Math proficiency	603
29	McClure Middle School Kennesaw · Middle · Grades 6–8	Public	66% · 70%	77.2 Top 25%	70% Math proficiency	1,030
30	Allatoona High School Acworth · High · Grades 9–12	Public	66% · 66%	71.0 Top 25%	66% Math proficiency	1,560
31	Vaughan Elementary School Powder Springs · Elementary · Grades PK–5	Public	65% · 70%	82.4 Top 10%	70% Math proficiency	600
32	Frey Elementary School Acworth · Elementary · Grades PK–5	Public	64% · 70%	80.2 Top 10%	70% Math proficiency	691
33	Pickett's Mill Elementary School Acworth · Elementary · Grades PK–5	Public	64% · 69%	77.7 Top 25%	69% Math proficiency	753
34	Bullard Elementary School Kennesaw · Elementary · Grades PK–5	Public	63% · 63%	77.0 Top 25%	63% Math proficiency	799
35	Kell High School Marietta · High · Grades 9–12	Public	63% · 45%	56.9 Top 50%	45% Math proficiency	1,587
36	Addison Elementary School Marietta · Elementary · Grades PK–5	Public	62% · 67%	77.6 Top 25%	67% Math proficiency	571
37	Kennesaw Mountain High School Kennesaw · High · Grades 9–12	Public	62% · 58%	64.1 Top 50%	58% Math proficiency	1,695
38	Still Elementary School Powder Springs · Elementary · Grades PK–5	Public	61% · 60%	73.9 Top 25%	60% Math proficiency	755
39	Teasley Elementary School Smyrna · Elementary · Grades PK–5	Public	61% · 56%	66.0 Top 50%	56% Math proficiency	974
40	Chalker Elementary School Kennesaw · Elementary · Grades PK–5	Public	60% · 58%	69.0 Top 25%	58% Math proficiency	679
41	King Springs Elementary School Smyrna · Elementary · Grades PK–5	Public	59% · 59%	72.2 Top 25%	59% Math proficiency	1,101
42	Keheley Elementary School Marietta · Elementary · Grades PK–5	Public	58% · 55%	71.3 Top 25%	55% Math proficiency	393
43	McCleskey Middle School Marietta · Middle · Grades 6–8	Public	58% · 53%	67.0 Top 50%	53% Math proficiency	540
44	Pitner Elementary School Acworth · Elementary · Grades PK–5	Public	56% · 54%	61.6 Top 50%	54% Math proficiency	802
45	Daniell Middle School Marietta · Middle · Grades 6–8	Public	56% · 51%	57.1 Top 50%	51% Math proficiency	884
46	Sprayberry High School Marietta · High · Grades 9–12	Public	56% · 44%	51.3 Top 50%	44% Math proficiency	1,769
47	Bells Ferry Elementary School Marietta · Elementary · Grades PK–5	Public	55% · 64%	62.5 Top 50%	64% Math proficiency	704
48	Palmer Middle School Kennesaw · Middle · Grades 6–8	Public	55% · 62%	61.6 Top 50%	62% Math proficiency	803
49	Awtrey Middle School Kennesaw · Middle · Grades 6–8	Public	55% · 49%	62.5 Top 50%	49% Math proficiency	593
50	Cheatham Hill Elementary School Marietta · Elementary · Grades PK–5	Public	54% · 66%	68.9 Top 25%	66% Math proficiency	1,021
51	Baker Elementary School Acworth · Elementary · Grades PK–5	Public	54% · 59%	67.5 Top 50%	59% Math proficiency	738
52	Wheeler High School Marietta · High · Grades 9–12	Public	54% · 53%	54.5 Top 50%	53% Math proficiency	2,401
53	Eastvalley Elementary School Marietta · Elementary · Grades PK–5	Public	53% · 59%	67.5 Top 50%	59% Math proficiency	679
54	Barber Middle School Acworth · Middle · Grades 6–8	Public	53% · 52%	57.0 Top 50%	52% Math proficiency	790
55	North Cobb High School Kennesaw · High · Grades 9–12	Public	53% · 49%	51.7 Top 50%	49% Math proficiency	2,463
56	Lewis Elementary School Kennesaw · Elementary · Grades PK–5	Public	52% · 58%	63.1 Top 50%	58% Math proficiency	550
57	Nicholson Elementary School Marietta · Elementary · Grades PK–5	Public	52% · 52%	64.2 Top 50%	52% Math proficiency	413
58	Campbell High School Smyrna · High · Grades 9–12	Public	51% · 37%	44.0 Lower 50%	37% Math proficiency	3,085
59	Pine Mountain Middle School Kennesaw · Middle · Grades 6–8	Public	50% · 52%	60.0 Top 50%	52% Math proficiency	506
60	Nickajack Elementary School Smyrna · Elementary · Grades PK–5	Public	48% · 50%	54.9 Top 50%	50% Math proficiency	1,260
61	Big Shanty Elementary School Kennesaw · Elementary · Grades 3–5	Public	47% · 55%	60.7 Top 50%	55% Math proficiency	511
62	Blackwell Elementary School Marietta · Elementary · Grades PK–5	Public	47% · 47%	54.7 Top 50%	47% Math proficiency	580
63	McEachern High School Powder Springs · High · Grades 9–12	Public	47% · 39%	38.6 Lower 50%	39% Math proficiency	2,175
64	Tapp Middle School Powder Springs · Middle · Grades 6–8	Public	46% · 44%	41.2 Lower 50%	44% Math proficiency	809
65	Acworth Elementary School Acworth · Elementary · Grades 2–5	Public	46% · 40%	47.5 Lower 50%	40% Math proficiency	499
66	South Cobb High School Austell · High · Grades 9–12	Public	46% · 38%	35.3 Lower 50%	38% Math proficiency	2,081
67	Varner Elementary School Powder Springs · Elementary · Grades PK–5	Public	45% · 47%	51.1 Top 50%	47% Math proficiency	705
68	Cooper Middle School Austell · Middle · Grades 6–8	Public	43% · 42%	36.3 Lower 50%	42% Math proficiency	1,000
69	Milford Elementary School Marietta · Elementary · Grades PK–5	Public	42% · 52%	44.5 Lower 50%	52% Math proficiency	389
70	Dowell Elementary School Marietta · Elementary · Grades PK–5	Public	42% · 38%	38.7 Lower 50%	38% Math proficiency	898
71	Sedalia Park Elementary School Marietta · Elementary · Grades PK–5	Public	41% · 42%	43.9 Lower 50%	42% Math proficiency	634
72	Smyrna Elementary School Smyrna · Elementary · Grades PK–5	Public	41% · 40%	45.8 Lower 50%	40% Math proficiency	870
73	Griffin Middle School Smyrna · Middle · Grades 6–8	Public	41% · 38%	41.2 Lower 50%	38% Math proficiency	991
74	East Cobb Middle School Marietta · Middle · Grades 6–8	Public	40% · 44%	41.0 Lower 50%	44% Math proficiency	1,352
75	Austell Elementary School Austell · Elementary · Grades PK–5	Public	40% · 40%	35.1 Lower 50%	40% Math proficiency	367
76	Hayes Elementary School Kennesaw · Elementary · Grades PK–5	Public	39% · 41%	45.5 Lower 50%	41% Math proficiency	802
77	Argyle Elementary School Smyrna · Elementary · Grades PK–5	Public	37% · 42%	37.0 Lower 50%	42% Math proficiency	333
78	Smitha Middle School Marietta · Middle · Grades 6–8	Public	37% · 33%	29.2 Lower 50%	33% Math proficiency	866
79	Campbell Middle School Smyrna · Middle · Grades 6–8	Public	37% · 31%	33.7 Lower 50%	31% Math proficiency	1,368
80	Clarkdale Elementary School Austell · Elementary · Grades PK–5	Public	36% · 41%	29.9 Lower 50%	41% Math proficiency	785
81	Russell Elementary School Smyrna · Elementary · Grades PK–5	Public	36% · 38%	34.8 Lower 50%	38% Math proficiency	568
82	Powder Springs Elementary School Powder Springs · Elementary · Grades PK–5	Public	35% · 38%	32.5 Lower 50%	38% Math proficiency	805
83	Pebblebrook High School Mableton · High · Grades 9–12	Public	35% · 30%	24.1 Lower 50%	30% Math proficiency	2,574
84	Hendricks Elementary School Powder Springs · Elementary · Grades PK–5	Public	33% · 42%	31.3 Lower 50%	42% Math proficiency	538
85	Clay-Harmony Leland Elementary School Mableton · Elementary · Grades PK–5	Public	33% · 35%	27.0 Lower 50%	35% Math proficiency	1,013
86	Compton Elementary School Powder Springs · Elementary · Grades PK–5	Public	33% · 34%	29.8 Lower 50%	34% Math proficiency	593
87	Belmont Hills Elementary School Smyrna · Elementary · Grades PK–5	Public	32% · 32%	28.0 Lower 50%	32% Math proficiency	267
88	Betty Gray Middle School Mableton · Middle · Grades 6–8	Public	32% · 32%	23.2 Lower 50%	32% Math proficiency	702
89	Sanders Elementary School Austell · Elementary · Grades PK–5	Public	32% · 30%	25.7 Lower 50%	30% Math proficiency	626
90	Floyd Middle School Mableton · Middle · Grades 6–8	Public	32% · 27%	21.8 Lower 50%	27% Math proficiency	776
91	Osborne High School Marietta · High · Grades 9–12	Public	31% · 17%	16.6 Lower 50%	17% Math proficiency	2,790
92	LaBelle Elementary School Marietta · Elementary · Grades PK–5	Public	30% · 43%	33.2 Lower 50%	43% Math proficiency	339
93	Hollydale Elementary School Marietta · Elementary · Grades PK–5	Public	30% · 36%	29.2 Lower 50%	36% Math proficiency	526
94	Garrett Middle School Austell · Middle · Grades 6–8	Public	30% · 26%	18.2 Lower 50%	26% Math proficiency	891
95	Norton Park Elementary School Smyrna · Elementary · Grades PK–5	Public	29% · 41%	30.7 Lower 50%	41% Math proficiency	643
96	Mableton Elementary School Mableton · Elementary · Grades PK–5	Public	29% · 30%	24.8 Lower 50%	30% Math proficiency	945
97	Lindley Middle School Mableton · Middle · Grades 6–8	Public	28% · 26%	20.6 Lower 50%	26% Math proficiency	905
98	Brumby Elementary School Marietta · Elementary · Grades PK–5	Public	28% · 25%	29.9 Lower 50%	25% Math proficiency	963
99	Powers Ferry Elementary School Marietta · Elementary · Grades PK–5	Public	27% · 31%	26.3 Lower 50%	31% Math proficiency	475
100	Bryant Elementary School Mableton · Elementary · Grades PK–5	Public	27% · 27%	20.4 Lower 50%	27% Math proficiency	865

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

For the full picture see the wider Georgia schools by reading 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 reading results school in Cobb County?

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

How are schools by reading proficiency in Cobb County ranked?

Schools ranked by the share of tested students proficient or above in reading/language arts (EDFacts, all 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.