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High School Rankings
Contra Costa County · 2025 · ≥50 seniors
What is UC Reach? UC Reach = unique top-6 UC admits ÷ senior class size — the share of a school's
entire graduating class that reaches the six most selective UCs (
Berkeley,
UCLA, San Diego, Santa Barbara, Irvine, Davis). It's a better gauge of school-wide success than admit rate, which only reflects the handful of students who applied.
Why it beats admit rate: if 6 students apply to the top UCs and all get in, that's a 100% admit rate — but at a 1,000-senior school it's a UC Reach Score of just 0.6 (6 ÷ 1,000). By contrast, a school where 250 of 1,000 seniors land a top-UC admit has a UC Reach Score of 25 — far stronger, even though its admit rate is lower.
Why some schools are over 100? Out of every 100 seniors at these schools, the class is generating
more than 100 admissions to the six most selective UCs — meaning the typical strong student is getting in at multiple top campuses (
UCLA +
UCSD, or
Berkeley +
UCSB + Irvine, for example). It's a rare achievement: fewer than 1% of California high schools clear a UC Reach Score of 100.
Top and bottom schools by UC Reach, split public/charter vs private (≥50 seniors).
Scoped to Contra Costa County — change the County filter above to rescope.
▲ Top 10 Public + Charter
Contra Costa County
| 1 |
San Ramon · Public
|
63 |
| 2 |
Orinda · Public
|
57 |
| 3 |
Moraga · Public
|
57 |
| 4 |
Danville · Public
|
47 |
| 5 |
San Ramon · Public
|
46 |
| 6 |
Lafayette · Public
|
46 |
| 7 |
Walnut Creek · Public
|
44 |
| 8 |
Walnut Creek · Public
|
41 |
| 9 |
El Cerrito · Public
|
39 |
| 10 |
Richmond · Public
|
38 |
▲ Top 10 Private
Contra Costa County
| 1 |
Concord · Private
|
55 |
| 2 |
Concord · Private
|
23 |
▼ Bottom 10 Public + Charter
Contra Costa County
| 1 |
Antioch · Public
|
5 |
| 2 |
Antioch · Public
|
5 |
| 3 |
Concord · Public
|
7 |
| 4 |
· Public
|
7 |
| 5 |
· Public
|
10 |
| 6 |
Oakley · Public
|
11 |
| 7 |
Concord · Public
|
11 |
| 8 |
Richmond · Public
|
12 |
| 9 |
· Public
|
13 |
| 10 |
Pinole · Public
|
13 |
▼ Bottom 10 Private
Contra Costa County
| 1 |
Concord · Private
|
23 |
| 2 |
Concord · Private
|
55 |
Top UC Reach for schools with senior classes of 25–99. These are typically magnet programs, specialized charters, and small Catholic preps — too small to compare cleanly against comprehensive public high schools, but the most UC-effective small schools in California are here.
▲ Top 10 Small Public + Charter
Contra Costa County
| 1 |
· Public
|
71 |
| 2 |
Crockett · Public
|
19 |
| 3 |
Richmond · Public
|
14 |
| 4 |
El Cerrito · Public
|
5 |
▲ Top 10 Small Private
Contra Costa County
| 1 |
Lafayette · Private
|
76 |
| 2 |
Danville · Private
|
53 |
| 3 |
Walnut Creek · Private
|
48 |
Where each UC campus lands its admits, as a share of each high school's senior class. Same 50-senior floor.
Top 10 — UCB Reach
UC Berkeley
| 1 |
Moraga · Public
|
8 |
| 2 |
Concord · Private
|
8 |
| 3 |
Hercules · Public
|
7 |
| 4 |
El Cerrito · Public
|
7 |
| 5 |
Richmond · Public
|
7 |
| 6 |
Danville · Public
|
5 |
| 7 |
San Ramon · Public
|
5 |
| 8 |
Lafayette · Public
|
5 |
| 9 |
Orinda · Public
|
5 |
| 10 |
Antioch · Public
|
5 |
| 1 |
Orinda · Public
|
6 |
| 2 |
San Ramon · Public
|
5 |
| 3 |
Concord · Private
|
5 |
| 4 |
Danville · Public
|
4 |
| 5 |
Lafayette · Public
|
4 |
| 6 |
Moraga · Public
|
4 |
| 7 |
Concord · Private
|
3 |
| 8 |
Walnut Creek · Public
|
3 |
| 9 |
San Ramon · Public
|
3 |
| 10 |
Walnut Creek · Public
|
3 |
Top 10 — UCSD Reach
UC San Diego
| 1 |
El Cerrito · Public
|
10 |
| 2 |
San Ramon · Public
|
9 |
| 3 |
Concord · Private
|
9 |
| 4 |
Orinda · Public
|
9 |
| 5 |
Moraga · Public
|
9 |
| 6 |
San Ramon · Public
|
9 |
| 7 |
Walnut Creek · Public
|
8 |
| 8 |
Danville · Public
|
7 |
| 9 |
Walnut Creek · Public
|
7 |
| 10 |
Lafayette · Public
|
6 |
Top 10 — UCSB Reach
UC Santa Barbara
| 1 |
Concord · Private
|
17 |
| 2 |
San Ramon · Public
|
16 |
| 3 |
Orinda · Public
|
15 |
| 4 |
Moraga · Public
|
14 |
| 5 |
Walnut Creek · Public
|
13 |
| 6 |
Danville · Public
|
13 |
| 7 |
San Ramon · Public
|
12 |
| 8 |
Lafayette · Public
|
12 |
| 9 |
Walnut Creek · Public
|
11 |
| 10 |
El Cerrito · Public
|
7 |
Top 10 — UCI Reach
UC Irvine
| 1 |
San Ramon · Public
|
12 |
| 2 |
Moraga · Public
|
8 |
| 3 |
San Ramon · Public
|
7 |
| 4 |
Orinda · Public
|
7 |
| 5 |
· Public
|
6 |
| 6 |
Richmond · Public
|
6 |
| 7 |
Danville · Public
|
6 |
| 8 |
Lafayette · Public
|
5 |
| 9 |
Walnut Creek · Public
|
4 |
| 10 |
Walnut Creek · Public
|
4 |
Top 10 — UCD Reach
UC Davis
| 1 |
San Ramon · Public
|
16 |
| 2 |
Orinda · Public
|
15 |
| 3 |
Moraga · Public
|
15 |
| 4 |
Richmond · Public
|
15 |
| 5 |
Concord · Private
|
14 |
| 6 |
Lafayette · Public
|
14 |
| 7 |
Walnut Creek · Public
|
12 |
| 8 |
El Cerrito · Public
|
12 |
| 9 |
Walnut Creek · Public
|
12 |
| 10 |
Danville · Public
|
12 |
UC Reach measures who gets in. These lenses measure the upstream pipeline (A-G), the downstream outcome (UC graduation), the capacity that drives the pipeline (counselors), reliability over time (consistency), grade-11 academic preparation (CAASPP SBAC ELA & Math), and private-school financial strength. Click any school for its full profile.
Top 10 — A-G Completion
% of graduates meeting UC/CSU course requirements · 2024-25 cohort
| 1 |
Richmond · Public
|
100.0% |
| 2 |
· Public
|
100.0% |
| 3 |
El Cerrito · Public
|
100.0% |
| 4 |
El Cerrito · Public
|
98.7% |
| 5 |
· Public
|
98.6% |
| 6 |
· Public
|
97.8% |
| 7 |
Orinda · Public
|
89.9% |
| 8 |
Richmond · Public
|
82.5% |
| 9 |
Lafayette · Public
|
82.3% |
| 10 |
Moraga · Public
|
81.6% |
Top 10 — UC 6-Yr Grad Rate
% of UC entrants who finished in 6 years · cohort N ≥ 20
| 1 |
Lafayette · Public
|
100.0% |
| 2 |
Concord · Private
|
100.0% |
| 3 |
Walnut Creek · Public
|
97.4% |
| 4 |
Pittsburg · Public
|
97.2% |
| 5 |
Pleasant Hill · Public
|
96.9% |
| 6 |
Brentwood · Public
|
96.9% |
| 7 |
Walnut Creek · Public
|
96.7% |
| 8 |
Antioch · Public
|
96.3% |
| 9 |
San Ramon · Public
|
95.6% |
| 10 |
Antioch · Public
|
95.0% |
Top 10 — Best Counselor Capacity
Lowest students-per-counselor (ASCA target 250:1) · public/charter, ≥500 students
| 1 |
Concord · Public
|
255:1 |
| 2 |
Danville · Public
|
286:1 |
| 3 |
Concord · Public
|
288:1 |
| 4 |
San Ramon · Public
|
299:1 |
| 5 |
Orinda · Public
|
307:1 |
| 6 |
Lafayette · Public
|
312:1 |
| 7 |
· Public
|
313:1 |
| 8 |
Walnut Creek · Public
|
314:1 |
| 9 |
San Ramon · Public
|
333:1 |
| 10 |
· Public
|
334:1 |
Top 10 — Most Consistent
Lowest UC Reach std-dev across 5 years (above-CA-median mean)
| 1 |
avg 44.8 · σ 2.34
|
σ 2.34 |
| 2 |
avg 43.6 · σ 2.61
|
σ 2.61 |
| 3 |
avg 23.3 · σ 3.0
|
σ 3.0 |
| 4 |
avg 23.8 · σ 3.11
|
σ 3.11 |
| 5 |
avg 39.8 · σ 3.99
|
σ 3.99 |
| 6 |
avg 42.0 · σ 4.44
|
σ 4.44 |
| 7 |
avg 54.9 · σ 5.25
|
σ 5.25 |
| 8 |
avg 43.0 · σ 8.15
|
σ 8.15 |
| 9 |
avg 40.5 · σ 8.33
|
σ 8.33 |
| 10 |
avg 56.7 · σ 9.57
|
σ 9.57 |
Top 10 — SBAC ELA met/exceeded
% Met or Exceeded Standard · Grade 11 CAASPP · public/charter · tested ≥30
| 1 |
· n=69 · 2025
|
94% |
| 2 |
Orinda · n=295 · 2025
|
90% |
| 3 |
Danville · n=494 · 2025
|
86% |
| 4 |
Moraga · n=330 · 2025
|
85% |
| 5 |
San Ramon · n=673 · 2025
|
84% |
| 6 |
Lafayette · n=285 · 2025
|
82% |
| 7 |
Danville · n=480 · 2025
|
82% |
| 8 |
Brentwood · n=619 · 2025
|
75% |
| 9 |
San Ramon · n=697 · 2025
|
75% |
| 10 |
Walnut Creek · n=356 · 2025
|
74% |
Top 10 — SBAC Math met/exceeded
% Met or Exceeded Standard · Grade 11 CAASPP · public/charter · tested ≥30
| 1 |
San Ramon · n=676 · 2025
|
79% |
| 2 |
Orinda · n=296 · 2025
|
79% |
| 3 |
Moraga · n=328 · 2025
|
70% |
| 4 |
Danville · n=497 · 2025
|
65% |
| 5 |
Lafayette · n=287 · 2025
|
63% |
| 6 |
San Ramon · n=693 · 2025
|
62% |
| 7 |
· n=69 · 2025
|
59% |
| 8 |
Walnut Creek · n=380 · 2025
|
56% |
| 9 |
Danville · n=472 · 2025
|
51% |
| 10 |
Walnut Creek · n=355 · 2025
|
51% |
Top 10 — Private Net Assets
Wealthiest CA private high schools · IRS Form 990 · latest fiscal year
| 1 |
Danville · Nonsectarian · FY 2024
|
$37.0M |
| 2 |
Lafayette · Nonsectarian · FY 2023
|
$6.7M |
| 3 |
Orinda · Nonsectarian · FY 2023
|
$346,150 |
≥50 seniors · earliest→latest year
Which schools are moving a growing — or shrinking — share of their graduating class into the six most selective UCs. Reflects the current county/type filter.
▲ Biggest gains
| School | Then → Now | Δ |
|---|
|
Concord · Private
|
30 '20
→ 55 '25
|
+25.6pp |
|
San Ramon · Public
|
29 '18
→ 46 '25
|
+17.1pp |
|
Lafayette · Public
|
31 '18
→ 46 '25
|
+15.1pp |
|
Antioch · Public
|
16 '18
→ 30 '25
|
+13.9pp |
|
Pleasant Hill · Public
|
17 '18
→ 30 '25
|
+13.1pp |
|
Walnut Creek · Public
|
31 '18
→ 44 '25
|
+12.9pp |
|
Walnut Creek · Public
|
32 '18
→ 41 '25
|
+9.7pp |
|
Moraga · Public
|
50 '18
→ 57 '25
|
+7.6pp |
|
El Cerrito · Public
|
32 '18
→ 39 '25
|
+7.2pp |
|
· Public
|
20 '18
→ 26 '25
|
+6.1pp |
▼ Biggest declines
| School | Then → Now | Δ |
|---|
|
Richmond · Public
|
63 '21
→ 38 '25
|
-25.1pp |
|
San Ramon · Public
|
78 '18
→ 63 '25
|
-15.3pp |
|
Richmond · Public
|
21 '18
→ 12 '25
|
-8.9pp |
|
Pinole · Public
|
22 '18
→ 13 '25
|
-8.8pp |
|
Hercules · Public
|
33 '18
→ 24 '25
|
-8.4pp |
|
Antioch · Public
|
11 '18
→ 5 '25
|
-5.7pp |
|
Concord · Public
|
16 '18
→ 11 '25
|
-4.7pp |
|
Antioch · Public
|
8 '18
→ 5 '25
|
-2.9pp |
|
Concord · Public
|
9 '18
→ 7 '25
|
-2.0pp |
|
Concord · Private
|
25 '20
→ 23 '25
|
-1.9pp |
grade-12 enrollment Δ vs. county · ≥80 students
The demographic tide is shrinking CA enrollment ~10% over 7 years statewide, so absolute decline alone is noise. The gap vs the county baseline is the actionable signal — schools losing share faster than their demographic floor are the ones to watch. Reflects the current county/type filter.
▲ Outperforming the county the most
| School | School · County | Gap |
|---|
|
Richmond · Contra Costa · Public Best in class
|
+63.4% vs -3.2%
|
+66.5pp |
|
· Contra Costa · Public Best in class
|
+23.5% vs -3.2%
|
+26.7pp |
|
Pittsburg · Contra Costa · Public Demand hides churn
|
+20.0% vs -3.2%
|
+23.2pp |
|
San Ramon · Contra Costa · Public Best in class
|
+13.5% vs -3.2%
|
+16.7pp |
|
Moraga · Contra Costa · Public Best in class
|
+10.7% vs -3.2%
|
+13.9pp |
|
Pinole · Contra Costa · Public Demand hides churn
|
+10.5% vs -3.2%
|
+13.6pp |
|
Danville · Contra Costa · Public Best in class
|
+10.5% vs -3.2%
|
+13.6pp |
|
· Contra Costa · Public Best in class
|
+5.8% vs -3.2%
|
+8.9pp |
|
Brentwood · Contra Costa · Public Best in class
|
+3.1% vs -3.2%
|
+6.2pp |
|
Walnut Creek · Contra Costa · Public Best in class
|
+2.4% vs -3.2%
|
+5.5pp |
▼ Underperforming the county the most
| School | School · County | Gap |
|---|
|
· Contra Costa · Public Compounding decline
|
-34.5% vs -3.2%
|
-31.3pp |
|
Concord · Contra Costa · Public Compounding decline
|
-32.6% vs -3.2%
|
-29.5pp |
|
Crockett · Contra Costa · Public Material decline
|
-24.0% vs -3.2%
|
-20.9pp |
|
Hercules · Contra Costa · Public Material decline
|
-23.3% vs -3.2%
|
-20.2pp |
|
Antioch · Contra Costa · Public Compounding decline
|
-22.7% vs -3.2%
|
-19.5pp |
|
Richmond · Contra Costa · Public Material decline
|
-20.2% vs -3.2%
|
-17.1pp |
|
Walnut Creek · Contra Costa · Public Sharp downturn
|
-13.6% vs -3.2%
|
-10.4pp |
|
Richmond · Contra Costa · Public Both ends slipping
|
-12.4% vs -3.2%
|
-9.2pp |
|
Lafayette · Contra Costa · Public Weak at the gate
|
-11.6% vs -3.2%
|
-8.4pp |
|
· Contra Costa · Public Demand problem
|
-11.0% vs -3.2%
|
-7.8pp |
28 schools eligible · 2025
Each dot is one school. The diagonal is the per-campus GPA expectation — points above it admit students at higher rates than their GPA mix predicts; points below admit at lower rates. Schools need ≥30 top-6 UC applications and data across ≥3 campuses to appear.
▲ Top 10 outperformers
| School |
GPA |
Actual |
Δ vs exp. |
|
· Public
|
4.03 |
44.3% |
+15.7pp |
|
· Public
|
3.71 |
34.9% |
+12.4pp |
|
Concord · Public
|
3.84 |
30.7% |
+9.6pp |
|
Antioch · Public
|
3.84 |
30.7% |
+8.5pp |
|
Pittsburg · Public
|
3.86 |
27.0% |
+6.5pp |
|
Oakley · Public
|
3.88 |
25.5% |
+4.4pp |
|
Richmond · Public
|
3.85 |
25.9% |
+4.4pp |
|
Richmond · Public
|
3.67 |
28.3% |
+3.7pp |
|
El Cerrito · Public
|
3.94 |
23.0% |
+1.2pp |
|
Richmond · Public
|
3.52 |
27.1% |
+1.1pp |
▼ Top 10 underperformers
| School |
GPA |
Actual |
Δ vs exp. |
|
Hercules · Public
|
3.86 |
15.9% |
-7.9pp |
|
Brentwood · Public
|
3.82 |
13.5% |
-7.3pp |
|
San Ramon · Public
|
3.89 |
15.3% |
-5.8pp |
|
Antioch · Public
|
3.54 |
23.9% |
-5.6pp |
|
San Ramon · Public
|
3.95 |
17.9% |
-3.6pp |
|
Danville · Public
|
3.91 |
17.5% |
-3.4pp |
|
Orinda · Public
|
4.04 |
19.5% |
-3.1pp |
|
Concord · Public
|
3.60 |
22.2% |
-2.6pp |
|
· Public
|
3.86 |
19.0% |
-2.5pp |
|
Walnut Creek · Public
|
4.03 |
20.3% |
-2.4pp |
Sortable by any column. Click a column header to sort. Click any school row to open its profile.
30 schools · 2025 data
· 14 hidden (under 100 seniors)
| # |
School |
County |
Seniors
ⓘ
|
Total Enroll
ⓘ
|
UC Reach Score
ⓘ
|
App Reach Score
ⓘ
|
Admit Rate
ⓘ
|
Yield
ⓘ
|
Selective Reach
ⓘ
|
Elite Reach
ⓘ
|
Raw Apps
ⓘ
|
Raw Admits
ⓘ
|
| 1 |
San Ramon · Public Weak at the gate
|
Contra Costa |
837 |
3,039 |
63
|
412 |
15.3% |
30.1% |
47.4 |
10.3 |
3,451 |
528 |
| 2 |
Orinda · Public Weak at the gate
|
Contra Costa |
309 |
1,167 |
57
|
294 |
19.5% |
22.6% |
42.1 |
11.0 |
908 |
177 |
| 3 |
Moraga · Public Best in class
|
Contra Costa |
324 |
1,340 |
57
|
272 |
21.0% |
27.6% |
42.3 |
11.4 |
881 |
185 |
| 4 |
Concord · Private
|
Contra Costa |
207 |
840 |
55
|
204 |
27.0% |
23.7% |
40.6 |
12.6 |
422 |
114 |
| 5 |
Danville · Public Weak at the gate
|
Contra Costa |
516 |
2,042 |
47
|
269 |
17.5% |
28.4% |
35.5 |
9.7 |
1,389 |
243 |
| 6 |
San Ramon · Public Best in class
|
Contra Costa |
721 |
2,894 |
46
|
259 |
17.9% |
29.6% |
35.9 |
7.8 |
1,868 |
335 |
| 7 |
Lafayette · Public Weak at the gate
|
Contra Costa |
345 |
1,256 |
46
|
216 |
21.5% |
26.9% |
32.2 |
9.3 |
744 |
160 |
| 8 |
Walnut Creek · Public Best in class
|
Contra Costa |
433 |
1,577 |
44
|
209 |
21.1% |
27.8% |
31.6 |
7.2 |
905 |
191 |
| 9 |
Walnut Creek · Public Sharp downturn
|
Contra Costa |
377 |
1,546 |
41
|
204 |
20.3% |
30.1% |
29.7 |
6.4 |
770 |
156 |
| 10 |
El Cerrito · Public Weak at the gate
|
Contra Costa |
394 |
1,460 |
39
|
171 |
23.0% |
33.5% |
27.7 |
9.4 |
674 |
155 |
| 11 |
Richmond · Public Best in class
|
Contra Costa |
136 |
1,078 |
38
|
148 |
25.9% |
17.3% |
23.5 |
8.8 |
201 |
52 |
| 12 |
Pleasant Hill · Public Tracking
|
Contra Costa |
477 |
1,948 |
30
|
127 |
23.5% |
29.6% |
19.7 |
4.0 |
605 |
142 |
| 13 |
Antioch · Public Best in class
|
Contra Costa |
156 |
681 |
29
|
96 |
30.7% |
17.4% |
17.9 |
7.0 |
150 |
46 |
| 14 |
Danville · Public Best in class
|
Contra Costa |
510 |
2,036 |
26
|
137 |
19.3% |
33.3% |
19.6 |
7.2 |
700 |
135 |
| 15 |
· Public Best in class
|
Contra Costa |
582 |
2,373 |
26
|
122 |
21.0% |
29.5% |
20.1 |
3.4 |
709 |
149 |
| 16 |
Hercules · Public Material decline
|
Contra Costa |
163 |
767 |
25
|
179 |
13.8% |
37.5% |
15.9 |
7.4 |
291 |
40 |
| 17 |
Concord · Private
|
Contra Costa |
252 |
1,025 |
23
|
132 |
17.5% |
25.9% |
17.9 |
6.8 |
332 |
58 |
| 18 |
Pittsburg · Public Demand hides churn
|
Contra Costa |
803 |
3,403 |
15
|
57 |
27.0% |
30.9% |
11.0 |
2.5 |
456 |
123 |
| 19 |
Richmond · Public Both ends slipping
|
Contra Costa |
337 |
1,280 |
14
|
62 |
23.1% |
29.2% |
7.7 |
3.0 |
208 |
48 |
| 20 |
Brentwood · Public Best in class
|
Contra Costa |
598 |
2,566 |
14
|
105 |
13.5% |
31.8% |
9.7 |
2.3 |
628 |
85 |
| 21 |
Pinole · Public Demand hides churn
|
Contra Costa |
311 |
1,245 |
13
|
83 |
15.9% |
46.3% |
6.4 |
1.9 |
258 |
41 |
| 22 |
· Public Demand problem
|
Contra Costa |
242 |
1,028 |
13
|
56 |
23.0% |
12.9% |
7.0 |
— |
135 |
31 |
| 23 |
Richmond · Public Material decline
|
Contra Costa |
288 |
1,047 |
12
|
68 |
18.5% |
41.7% |
6.6 |
2.8 |
195 |
36 |
| 24 |
Concord · Public Compounding decline
|
Contra Costa |
275 |
1,137 |
11
|
43 |
26.5% |
45.2% |
7.3 |
2.9 |
117 |
31 |
| 25 |
Oakley · Public Demand problem
|
Contra Costa |
602 |
2,460 |
11
|
44 |
25.5% |
37.3% |
7.0 |
1.5 |
263 |
67 |
| 26 |
· Public Best in class
|
Contra Costa |
683 |
2,836 |
10
|
52 |
19.0% |
23.9% |
5.7 |
1.5 |
352 |
67 |
| 27 |
· Public Compounding decline
|
Contra Costa |
203 |
740 |
7
|
34 |
22.1% |
46.7% |
3.9 |
2.0 |
68 |
15 |
| 28 |
Concord · Public Both ends slipping
|
Contra Costa |
247 |
1,059 |
7
|
50 |
14.5% |
— |
4.5 |
1.6 |
124 |
18 |
| 29 |
Antioch · Public Compounding decline
|
Contra Costa |
417 |
1,812 |
5
|
33 |
16.1% |
27.3% |
3.4 |
0.7 |
137 |
22 |
| 30 |
Antioch · Public Demand hides churn
|
Contra Costa |
399 |
1,776 |
5
|
33 |
14.5% |
— |
2.8 |
0.8 |
131 |
19 |
UC Reach = top-6 UC admits ÷ senior class size. Where UCOP has not published unique-student totals,
campus admits are summed — students admitted to more than one of the 6 campuses are counted at each, so values
above 100 indicate strong students winning multiple competitive UC offers.
Schools with fewer than 100 seniors are excluded from the leaderboard by default — a small cohort
with one strong year can otherwise dominate.
See methodology →