Frost (Earl) Elementary (Data source)
Source data for Frost (Earl) Elementary
2015
| Step 1 | Step 2 | Step 3 | ||||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Get Mean Scale Score from line numbers in this data file. | Subtract 'met min' Scale Score. from Mean Scale Score to get Distance From Standard | Multiply Distance From Standard by proportion of students in grade. | ||||||||||||
| Grade | Line number |
Mean Scale Score |
- | Scale Score: met min |
= | Distance from standard |
* | (Students tested in grade |
/ | Students) tested in school |
= | Weighted Distance From Standard |
||
| 3 | 2690168 | 2407 | - | 2436 | = | -29 | * | (115 | / | 412) | = | -8.09466018 | ||
| 4 | 2690169 | 2459 | - | 2485 | = | -26 | * | (91 | / | 412) | = | -5.74271844 | ||
| 5 | 2690172 | 2470 | - | 2528 | = | -58 | * | (77 | / | 412) | = | -10.83980577 | ||
| 6 | 2690173 | 2487 | - | 2552 | = | -65 | * | (92 | / | 412) | = | -14.51456305 | ||
| 7 | 2690176 | 2558 | - | 2567 | = | -9 | * | (22 | / | 412) | = | -0.48058252 | ||
| 8 | 2690177 | 2512 | - | 2586 | = | -74 | * | (15 | / | 412) | = | -2.69417468 | ||
| Step 4 | SUM Weighted Distance From Standard to get 2015 Difference From Standard for Frost (Earl) Elementary | -42 | ||||||||||||
2016
| Step 1 | Step 2 | Step 3 | ||||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Get Mean Scale Score from line numbers in this data file. | Subtract 'met min' Scale Score. from Mean Scale Score to get Distance From Standard | Multiply Distance From Standard by proportion of students in grade. | ||||||||||||
| Grade | Line number |
Mean Scale Score |
- | Scale Score: met min |
= | Distance from standard |
* | (Students tested in grade |
/ | Students) tested in school |
= | Weighted Distance From Standard |
||
| 3 | 81961 | 2407 | - | 2436 | = | -29 | * | (85 | / | 382) | = | -6.45287958 | ||
| 4 | 81962 | 2449 | - | 2485 | = | -36 | * | (111 | / | 382) | = | -10.46073298 | ||
| 5 | 81965 | 2488 | - | 2528 | = | -40 | * | (76 | / | 382) | = | -7.95811516 | ||
| 6 | 81967 | 2499 | - | 2552 | = | -53 | * | (75 | / | 382) | = | -10.40575913 | ||
| 7 | 81968 | 2512 | - | 2567 | = | -55 | * | (17 | / | 382) | = | -2.44764394 | ||
| 8 | 81970 | 2565 | - | 2586 | = | -21 | * | (18 | / | 382) | = | -0.98952878 | ||
| Step 4 | SUM Weighted Distance From Standard to get 2016 Difference From Standard for Frost (Earl) Elementary | -39 | ||||||||||||
2017
| Step 1 | Step 2 | Step 3 | ||||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Get Mean Scale Score from line numbers in this data file. | Subtract 'met min' Scale Score. from Mean Scale Score to get Distance From Standard | Multiply Distance From Standard by proportion of students in grade. | ||||||||||||
| Grade | Line number |
Mean Scale Score |
- | Scale Score: met min |
= | Distance from standard |
* | (Students tested in grade |
/ | Students) tested in school |
= | Weighted Distance From Standard |
||
| 3 | 84248 | 2410 | - | 2436 | = | -26 | * | (85 | / | 389) | = | -5.68123392 | ||
| 4 | 84250 | 2457 | - | 2485 | = | -28 | * | (91 | / | 389) | = | -6.55012851 | ||
| 5 | 84252 | 2478 | - | 2528 | = | -50 | * | (102 | / | 389) | = | -13.1105398 | ||
| 6 | 84254 | 2513 | - | 2552 | = | -39 | * | (76 | / | 389) | = | -7.61953725 | ||
| 7 | 84256 | 2563 | - | 2567 | = | -4 | * | (18 | / | 389) | = | -0.18508997 | ||
| 8 | 84259 | 2537 | - | 2586 | = | -49 | * | (17 | / | 389) | = | -2.14138815 | ||
| Step 4 | SUM Weighted Distance From Standard to get 2017 Difference From Standard for Frost (Earl) Elementary | -35 | ||||||||||||
2018
| Step 1 | Step 2 | Step 3 | ||||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Get Mean Scale Score from line numbers in this data file. | Subtract 'met min' Scale Score. from Mean Scale Score to get Distance From Standard | Multiply Distance From Standard by proportion of students in grade. | ||||||||||||
| Grade | Line number |
Mean Scale Score |
- | Scale Score: met min |
= | Distance from standard |
* | (Students tested in grade |
/ | Students) tested in school |
= | Weighted Distance From Standard |
||
| 3 | 84467 | 2435 | - | 2436 | = | -1 | * | (79 | / | 349) | = | -0.22636103 | ||
| 4 | 84468 | 2461 | - | 2485 | = | -24 | * | (69 | / | 349) | = | -4.74498566 | ||
| 5 | 84470 | 2488 | - | 2528 | = | -40 | * | (74 | / | 349) | = | -8.48137532 | ||
| 6 | 84473 | 2511 | - | 2552 | = | -41 | * | (97 | / | 349) | = | -11.39541544 | ||
| 7 | 84474 | 2584 | - | 2567 | = | 17 | * | (14 | / | 349) | = | 0.68194842 | ||
| 8 | 84476 | 2596 | - | 2586 | = | 10 | * | (16 | / | 349) | = | 0.45845272 | ||
| Step 4 | SUM Weighted Distance From Standard to get 2018 Difference From Standard for Frost (Earl) Elementary | -24 | ||||||||||||
2019
| Step 1 | Step 2 | Step 3 | ||||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Get Mean Scale Score from line numbers in this data file. | Subtract 'met min' Scale Score. from Mean Scale Score to get Distance From Standard | Multiply Distance From Standard by proportion of students in grade. | ||||||||||||
| Grade | Line number |
Mean Scale Score |
- | Scale Score: met min |
= | Distance from standard |
* | (Students tested in grade |
/ | Students) tested in school |
= | Weighted Distance From Standard |
||
| 3 | 85085 | 2435 | - | 2436 | = | -1 | * | (97 | / | 341) | = | -0.28445748 | ||
| 4 | 85086 | 2477 | - | 2485 | = | -8 | * | (75 | / | 341) | = | -1.75953078 | ||
| 5 | 85087 | 2505 | - | 2528 | = | -23 | * | (64 | / | 341) | = | -4.31671553 | ||
| 6 | 85088 | 2525 | - | 2552 | = | -27 | * | (65 | / | 341) | = | -5.14662755 | ||
| 7 | 85089 | 2576 | - | 2567 | = | 9 | * | (27 | / | 341) | = | 0.71260997 | ||
| 8 | 85090 | 2610 | - | 2586 | = | 24 | * | (13 | / | 341) | = | 0.91495601 | ||
| Step 4 | SUM Weighted Distance From Standard to get 2019 Difference From Standard for Frost (Earl) Elementary | -10 | ||||||||||||
Last steps
Compute the average
| 2015 | 2016 | 2017 | 2018 | 2019 | Sum | Average |
|---|---|---|---|---|---|---|
| -42 | -39 | -35 | -24 | -10 | -150.0 | -30.0 |
Compute the Upper Control Limit
Simply compute the standard deviation and multiply by 3 and add to the average: 9.0
Compute the Lower Control Limit
Simply compute the standard deviation and multiply by 3 and subtract from the average: -69.0
For the lines, you have the data necessary to plot the chart.
Very last step
The percent of students getting a Free or Reduced Price Meal comes from the following sources:
| 2015 | 2016 | 2017 | 2018 | 2019 | |
|---|---|---|---|---|---|
| Percent | 28% | 30% | 27% | 30% | 24% |
| Data source | 2015 data file | 2016 data file | 2017 data file | 2018 data file | 2019 data file |
Oak Grove Elementary school district | County of Santa Clara
THIS chart shows what the school system "wants"
PLUS a "special" or "outside" cause of variation: wealth/poverty.
NOT what teachers want.
NOT what principals want.
NOT what parents want.
Frost (Earl) Elementary math proficiency
Zero+ meets standard.
23% less $meal
23% less $meal
22% less $meal
26% less $meal
21% less $meal
• Any result above zero is proficient; below is not proficient. • There is a 99% chance that results will remain the same in coming years, which is to say, between the Upper and Lower Control Limits (the gray lines). • The houses with the % of students receiving a Free or Reduced Price Meal is a measure of wealth/poverty.