Amesti Elementary (Data source)
Source data for Amesti 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 | 2747960 | 2358 | - | 2436 | = | -78 | * | (116 | / | 315) | = | -28.7238095 | ||
| 4 | 2747961 | 2397 | - | 2485 | = | -88 | * | (100 | / | 315) | = | -27.9365079 | ||
| 5 | 2747964 | 2438 | - | 2528 | = | -90 | * | (99 | / | 315) | = | -28.28571426 | ||
| Step 4 | SUM Weighted Distance From Standard to get 2015 Difference From Standard for Amesti Elementary | -85 | ||||||||||||
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 | 83572 | 2349 | - | 2436 | = | -87 | * | (117 | / | 332) | = | -30.65963851 | ||
| 4 | 83575 | 2383 | - | 2485 | = | -102 | * | (121 | / | 332) | = | -37.17469876 | ||
| 5 | 83577 | 2426 | - | 2528 | = | -102 | * | (94 | / | 332) | = | -28.87951806 | ||
| Step 4 | SUM Weighted Distance From Standard to get 2016 Difference From Standard for Amesti Elementary | -97 | ||||||||||||
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 | 85889 | 2371 | - | 2436 | = | -65 | * | (106 | / | 341) | = | -20.20527854 | ||
| 4 | 85890 | 2386 | - | 2485 | = | -99 | * | (114 | / | 341) | = | -33.09677415 | ||
| 5 | 85893 | 2413 | - | 2528 | = | -115 | * | (121 | / | 341) | = | -40.80645154 | ||
| Step 4 | SUM Weighted Distance From Standard to get 2017 Difference From Standard for Amesti Elementary | -94 | ||||||||||||
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 | 86122 | 2363 | - | 2436 | = | -73 | * | (91 | / | 305) | = | -21.78032782 | ||
| 4 | 86123 | 2406 | - | 2485 | = | -79 | * | (104 | / | 305) | = | -26.93770487 | ||
| 5 | 86126 | 2421 | - | 2528 | = | -107 | * | (110 | / | 305) | = | -38.59016386 | ||
| Step 4 | SUM Weighted Distance From Standard to get 2018 Difference From Standard for Amesti Elementary | -87 | ||||||||||||
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 | 86718 | 2353 | - | 2436 | = | -83 | * | (77 | / | 268) | = | -23.84701486 | ||
| 4 | 86719 | 2425 | - | 2485 | = | -60 | * | (87 | / | 268) | = | -19.4776119 | ||
| 5 | 86720 | 2440 | - | 2528 | = | -88 | * | (104 | / | 268) | = | -34.14925369 | ||
| Step 4 | SUM Weighted Distance From Standard to get 2019 Difference From Standard for Amesti Elementary | -77 | ||||||||||||
Last steps
Compute the average
| 2015 | 2016 | 2017 | 2018 | 2019 | Sum | Average |
|---|---|---|---|---|---|---|
| -85 | -97 | -94 | -87 | -77 | -440.0 | -88.0 |
Compute the Upper Control Limit
Simply compute the standard deviation and multiply by 3 and add to the average: -67.0
Compute the Lower Control Limit
Simply compute the standard deviation and multiply by 3 and subtract from the average: -109.0
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 | 94% | 94% | 50% | 86% | 88% |
| Data source | 2015 data file | 2016 data file | 2017 data file | 2018 data file | 2019 data file |
Pajaro Valley Unified school district | County of Santa Cruz
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.
Amesti Elementary math proficiency
Zero+ meets standard.
90% less $meal
88% less $meal
50% less $meal
81% less $meal
82% 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.