Vallejo Mill Elementary (Data source)
Source data for Vallejo Mill 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 | 35396 | 2418 | - | 2436 | = | -18 | * | (71 | / | 294) | = | -4.34693876 | ||
| 4 | 35397 | 2501 | - | 2485 | = | 16 | * | (66 | / | 294) | = | 3.59183672 | ||
| 5 | 35399 | 2511 | - | 2528 | = | -17 | * | (83 | / | 294) | = | -4.79931973 | ||
| 6 | 35401 | 2535 | - | 2552 | = | -17 | * | (74 | / | 294) | = | -4.27891156 | ||
| Step 4 | SUM Weighted Distance From Standard to get 2015 Difference From Standard for Vallejo Mill Elementary | -10 | ||||||||||||
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 | 939 | 2420 | - | 2436 | = | -16 | * | (74 | / | 296) | = | -4.0 | ||
| 4 | 942 | 2482 | - | 2485 | = | -3 | * | (73 | / | 296) | = | -0.73986486 | ||
| 5 | 944 | 2531 | - | 2528 | = | 3 | * | (63 | / | 296) | = | 0.63851351 | ||
| 6 | 946 | 2533 | - | 2552 | = | -19 | * | (86 | / | 296) | = | -5.52027026 | ||
| Step 4 | SUM Weighted Distance From Standard to get 2016 Difference From Standard for Vallejo Mill Elementary | -10 | ||||||||||||
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 | 990 | 2437 | - | 2436 | = | 1 | * | (79 | / | 283) | = | 0.27915194 | ||
| 4 | 992 | 2493 | - | 2485 | = | 8 | * | (62 | / | 283) | = | 1.75265018 | ||
| 5 | 993 | 2494 | - | 2528 | = | -34 | * | (77 | / | 283) | = | -9.25088337 | ||
| 6 | 995 | 2555 | - | 2552 | = | 3 | * | (65 | / | 283) | = | 0.68904593 | ||
| Step 4 | SUM Weighted Distance From Standard to get 2017 Difference From Standard for Vallejo Mill Elementary | -7 | ||||||||||||
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 | 1013 | 2445 | - | 2436 | = | 9 | * | (72 | / | 297) | = | 2.18181818 | ||
| 4 | 1016 | 2501 | - | 2485 | = | 16 | * | (81 | / | 297) | = | 4.36363635 | ||
| 5 | 1017 | 2531 | - | 2528 | = | 3 | * | (69 | / | 297) | = | 0.6969697 | ||
| 6 | 1020 | 2523 | - | 2552 | = | -29 | * | (75 | / | 297) | = | -7.32323231 | ||
| Step 4 | SUM Weighted Distance From Standard to get 2018 Difference From Standard for Vallejo Mill Elementary | 0 | ||||||||||||
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 | 1042 | 2455 | - | 2436 | = | 19 | * | (79 | / | 292) | = | 5.14041096 | ||
| 4 | 1043 | 2500 | - | 2485 | = | 15 | * | (61 | / | 292) | = | 3.13356164 | ||
| 5 | 1044 | 2517 | - | 2528 | = | -11 | * | (83 | / | 292) | = | -3.12671233 | ||
| 6 | 1045 | 2546 | - | 2552 | = | -6 | * | (69 | / | 292) | = | -1.41780821 | ||
| Step 4 | SUM Weighted Distance From Standard to get 2019 Difference From Standard for Vallejo Mill Elementary | 4 | ||||||||||||
Last steps
Compute the average
| 2015 | 2016 | 2017 | 2018 | 2019 | Sum | Average |
|---|---|---|---|---|---|---|
| -10 | -10 | -7 | 0 | 4 | -23.0 | -4.6 |
Compute the Upper Control Limit
Simply compute the standard deviation and multiply by 3 and add to the average: 12.25
Compute the Lower Control Limit
Simply compute the standard deviation and multiply by 3 and subtract from the average: -23.75
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 | 26% | 30% | 22% | 27% | 29% |
| Data source | 2015 data file | 2016 data file | 2017 data file | 2018 data file | 2019 data file |
Fremont Unified school district | County of Alameda
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.
Vallejo Mill Elementary math proficiency
Zero+ meets standard.
23% less $meal
25% less $meal
17% less $meal
24% 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.