Largest Schools in Klein ISD (2025)

Schools with the highest enrollment. Ranked by the Success Index (US) from official American data; 47 schools in Klein ISD, Texas. Rank positions shown on each profile are within United States and Texas.

#	School	Sector	Enrollment	Success Index (US)	Key result	Students
1	Klein Cain H S Klein · High · Grades 9–12	Public	3,922	52.7 Top 50%	36% Math proficiency	3,922
2	Klein Oak H S Klein · High · Grades 9–12	Public	3,766	58.0 Top 50%	53% Math proficiency	3,766
3	Klein Forest H S Klein · High · Grades 9–12	Public	3,418	33.0 Lower 50%	37% Math proficiency	3,418
4	Klein H S Klein · High · Grades 9–12	Public	3,366	58.0 Top 50%	47% Math proficiency	3,366
5	Klein Collins H S Klein · High · Grades 9–12	Public	3,360	52.5 Top 50%	47% Math proficiency	3,360
6	Wunderlich Int Klein · Middle · Grades 6–8	Public	1,319	41.2 Lower 50%	44% Math proficiency	1,319
7	Hofius Int Klein · Middle · Grades 6–8	Public	1,313	71.2 Top 25%	66% Math proficiency	1,313
8	Strack Int Klein · Middle · Grades 6–8	Public	1,237	62.3 Top 50%	57% Math proficiency	1,237
9	Kleb Int Klein · Middle · Grades 6–8	Public	1,232	61.5 Top 50%	57% Math proficiency	1,232
10	Doerre Int Klein · Middle · Grades 6–8	Public	1,188	78.0 Top 25%	69% Math proficiency	1,188
11	Ulrich Int Klein · Middle · Grades 6–8	Public	1,178	53.4 Top 50%	48% Math proficiency	1,178
12	Krimmel Intermed Klein · Middle · Grades 6–8	Public	1,172	67.2 Top 50%	59% Math proficiency	1,172
13	Schindewolf Int Klein · Middle · Grades 6–8	Public	1,087	60.4 Top 50%	56% Math proficiency	1,087
14	Hildebrandt Int Klein · Middle · Grades 6–8	Public	1,071	53.0 Top 50%	52% Math proficiency	1,071
15	Klein Int Klein · Middle · Grades 6–8	Public	1,050	35.3 Lower 50%	39% Math proficiency	1,050
16	Fox El Klein · Elementary · Grades PK–5	Public	908	43.2 Lower 50%	59.8% Free/reduced-price lunch	908
17	Mahaffey El Klein · Elementary · Grades PK–5	Public	860	61.3 Top 50%	63% Math proficiency	860
18	Metzler El Klein · Elementary · Grades PK–5	Public	846	66.8 Top 50%	66% Math proficiency	846
19	Zwink El Klein · Elementary · Grades PK–5	Public	840	59.9 Top 50%	64% Math proficiency	840
20	Krahn El Klein · Elementary · Grades PK–5	Public	802	66.8 Top 50%	75% Math proficiency	802
21	Kreinhop El Klein · Elementary · Grades PK–5	Public	787	57.1 Top 50%	60% Math proficiency	787
22	French El Klein · Elementary · Grades PK–5	Public	786	77.9 Top 25%	75% Math proficiency	786
23	Epps Island El Klein · Elementary · Grades PK–5	Public	764	31.8 Lower 50%	42% Math proficiency	764
24	Benignus El Klein · Elementary · Grades PK–5	Public	753	69.6 Top 25%	63% Math proficiency	753
25	Kaiser El Klein · Elementary · Grades PK–5	Public	724	31.6 Lower 50%	38% Math proficiency	724
26	Blackshear El Klein · Elementary · Grades PK–5	Public	722	55.5 Top 50%	51% Math proficiency	722
27	Klenk El Klein · Elementary · Grades PK–5	Public	717	44.1 Lower 50%	45% Math proficiency	717
28	Ehrhardt El Klein · Elementary · Grades PK–5	Public	713	52.4 Top 50%	52% Math proficiency	713
29	Schultz El Klein · Elementary · Grades PK–5	Public	707	50.2 Top 50%	55% Math proficiency	707
30	Bernshausen El Klein · Elementary · Grades PK–5	Public	695	42.9 Lower 50%	40% Math proficiency	695
31	Mittelstadt El Klein · Elementary · Grades PK–5	Public	693	42.6 Lower 50%	41% Math proficiency	693
32	Frank El Klein · Elementary · Grades PK–5	Public	692	81.3 Top 10%	73% Math proficiency	692
33	Kuehnle El Klein · Elementary · Grades PK–5	Public	687	65.4 Top 50%	59% Math proficiency	687
34	Roth El Klein · Elementary · Grades PK–5	Public	683	51.8 Top 50%	49% Math proficiency	683
35	Benfer El Klein · Elementary · Grades PK–5	Public	683	50.1 Top 50%	48% Math proficiency	683
36	Kohrville El Klein · Elementary · Grades PK–5	Public	671	53.0 Top 50%	49% Math proficiency	671
37	Brill El Klein · Elementary · Grades PK–5	Public	653	68.5 Top 25%	63% Math proficiency	653
38	Theiss El Klein · Elementary · Grades PK–5	Public	637	72.3 Top 25%	64% Math proficiency	637
39	Hassler El Klein · Elementary · Grades PK–5	Public	625	81.1 Top 10%	77% Math proficiency	625
40	Northampton El Klein · Elementary · Grades PK–5	Public	623	60.1 Top 50%	52% Math proficiency	623
41	Lemm El Klein · Elementary · Grades PK–5	Public	618	50.0 Lower 50%	46% Math proficiency	618
42	McDougle El Klein · Elementary · Grades K–5	Public	612	39.6 Lower 50%	45% Math proficiency	612
43	Nitsch El Klein · Elementary · Grades K–5	Public	612	26.3 Lower 50%	26% Math proficiency	612
44	Eiland El Klein · Elementary · Grades PK–5	Public	564	39.1 Lower 50%	47% Math proficiency	564
45	Greenwood Forest El Klein · Elementary · Grades K–5	Public	557	39.4 Lower 50%	40% Math proficiency	557
46	Haude El Klein · Elementary · Grades PK–5	Public	532	63.3 Top 50%	59% Math proficiency	532
47	Mueller El Klein · Elementary · Grades PK–5	Public	477	64.6 Top 50%	61% Math proficiency	477

Klein Cain H S in Klein leads the 2025 list of largest schools in Klein ISD with Enrollment 3,922. Of the 47 schools shown, 47 are public.

For the full picture see the wider Texas largest schools rankings, every school on the Klein ISD page, or the comparison tool to put a shortlist side by side.

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Frequently asked questions

What is the best largest school in Klein ISD?

Klein Cain H S in Klein, Texas ranks first among largest schools in Klein ISD with Enrollment 3,922 (Enrollment: 3,922).

How are largest schools in Klein ISD ranked?

Schools with the highest enrollment. Only schools eligible for the Success Index (US) are included; the index is shown alongside for context.

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.