Alamo Elementary (Data source)
Source data for Alamo 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 | 2836715 | 2415 | - | 2436 | = | -21 | * | (91 | / | 363) | = | -5.26446281 | ||
4 | 2836716 | 2458 | - | 2485 | = | -27 | * | (80 | / | 363) | = | -5.9504132 | ||
5 | 2836718 | 2521 | - | 2528 | = | -7 | * | (97 | / | 363) | = | -1.87052341 | ||
6 | 2836721 | 2501 | - | 2552 | = | -51 | * | (95 | / | 363) | = | -13.34710739 | ||
Step 4 | SUM Weighted Distance From Standard to get 2015 Difference From Standard for Alamo Elementary | -26 |
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 | 86768 | 2440 | - | 2436 | = | 4 | * | (102 | / | 386) | = | 1.05699482 | ||
4 | 86771 | 2449 | - | 2485 | = | -36 | * | (101 | / | 386) | = | -9.41968912 | ||
5 | 86772 | 2506 | - | 2528 | = | -22 | * | (84 | / | 386) | = | -4.78756476 | ||
6 | 86774 | 2534 | - | 2552 | = | -18 | * | (99 | / | 386) | = | -4.61658029 | ||
Step 4 | SUM Weighted Distance From Standard to get 2016 Difference From Standard for Alamo Elementary | -18 |
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 | 89215 | 2447 | - | 2436 | = | 11 | * | (98 | / | 391) | = | 2.75703325 | ||
4 | 89218 | 2474 | - | 2485 | = | -11 | * | (98 | / | 391) | = | -2.75703325 | ||
5 | 89219 | 2468 | - | 2528 | = | -60 | * | (107 | / | 391) | = | -16.41943734 | ||
6 | 89221 | 2536 | - | 2552 | = | -16 | * | (88 | / | 391) | = | -3.60102301 | ||
Step 4 | SUM Weighted Distance From Standard to get 2017 Difference From Standard for Alamo Elementary | -20 |
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 | 89425 | 2451 | - | 2436 | = | 15 | * | (98 | / | 406) | = | 3.62068965 | ||
4 | 89428 | 2479 | - | 2485 | = | -6 | * | (100 | / | 406) | = | -1.47783251 | ||
5 | 89429 | 2493 | - | 2528 | = | -35 | * | (101 | / | 406) | = | -8.70689652 | ||
6 | 89432 | 2506 | - | 2552 | = | -46 | * | (107 | / | 406) | = | -12.12315271 | ||
Step 4 | SUM Weighted Distance From Standard to get 2018 Difference From Standard for Alamo Elementary | -19 |
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 | 90033 | 2464 | - | 2436 | = | 28 | * | (106 | / | 405) | = | 7.32839506 | ||
4 | 90034 | 2487 | - | 2485 | = | 2 | * | (96 | / | 405) | = | 0.47407407 | ||
5 | 90035 | 2508 | - | 2528 | = | -20 | * | (101 | / | 405) | = | -4.98765432 | ||
6 | 90036 | 2525 | - | 2552 | = | -27 | * | (102 | / | 405) | = | -6.79999998 | ||
Step 4 | SUM Weighted Distance From Standard to get 2019 Difference From Standard for Alamo Elementary | -4 |
Last steps
Compute the average
2015 | 2016 | 2017 | 2018 | 2019 | Sum | Average |
---|---|---|---|---|---|---|
-26 | -18 | -20 | -19 | -4 | -87.0 | -17.4 |
Compute the Upper Control Limit
Simply compute the standard deviation and multiply by 3 and add to the average: 6.6
Compute the Lower Control Limit
Simply compute the standard deviation and multiply by 3 and subtract from the average: -41.4
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 | 35% | 42% | 40% | 40% | 37% |
Data source | 2015 data file | 2016 data file | 2017 data file | 2018 data file | 2019 data file |
Vacaville Unified school district County of Solano
THIS chart shows what the school system "wants"
PLUS a "special" or "outside" cause of variation, parent education.
NOT what teachers want.
NOT what principals want.
NOT what parents want.
Alamo Elementary math proficiency
Zero+ meets standard.
31% less $meal
35% less $meal
35% less $meal
35% less $meal
32% 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.
Elementary School (Public) schools in Vacaville Unified (9)
Alamo Elementary | Browns Valley Elementary | Cooper Elementary |
Edwin Markham Elementary | Eugene Padan Elementary | Hemlock Elementary |
Jean Callison Elementary | Orchard Elementary | Sierra Vista K-8 |