Alpha Technology Middle (Data source)
Source data for Alpha Technology Middle
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 |
||
| 6 | 1817792 | 2456 | - | 2552 | = | -96 | * | (32 | / | 117) | = | -26.25641021 | ||
| 7 | 1817795 | 2502 | - | 2567 | = | -65 | * | (39 | / | 117) | = | -21.66666665 | ||
| 8 | 1817796 | 2523 | - | 2586 | = | -63 | * | (46 | / | 117) | = | -24.76923076 | ||
| Step 4 | SUM Weighted Distance From Standard to get 2015 Difference From Standard for Alpha Technology Middle | -73 | ||||||||||||
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 |
||
| 6 | 56240 | 2460 | - | 2552 | = | -92 | * | (25 | / | 106) | = | -21.69811315 | ||
| 7 | 56243 | 2438 | - | 2567 | = | -129 | * | (33 | / | 106) | = | -40.16037727 | ||
| 8 | 56245 | 2505 | - | 2586 | = | -81 | * | (48 | / | 106) | = | -36.67924523 | ||
| Step 4 | SUM Weighted Distance From Standard to get 2016 Difference From Standard for Alpha Technology Middle | -99 | ||||||||||||
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 |
||
| 6 | 57875 | 2447 | - | 2552 | = | -105 | * | (35 | / | 88) | = | -41.76136356 | ||
| 7 | 57877 | 2448 | - | 2567 | = | -119 | * | (19 | / | 88) | = | -25.69318171 | ||
| 8 | 57880 | 2479 | - | 2586 | = | -107 | * | (34 | / | 88) | = | -41.34090905 | ||
| Step 4 | SUM Weighted Distance From Standard to get 2017 Difference From Standard for Alpha Technology Middle | -109 | ||||||||||||
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 |
||
| 6 | 58011 | 2463 | - | 2552 | = | -89 | * | (33 | / | 89) | = | -32.99999992 | ||
| 7 | 58012 | 2457 | - | 2567 | = | -110 | * | (35 | / | 89) | = | -43.25842686 | ||
| 8 | 58015 | 2490 | - | 2586 | = | -96 | * | (21 | / | 89) | = | -22.65168538 | ||
| Step 4 | SUM Weighted Distance From Standard to get 2018 Difference From Standard for Alpha Technology Middle | -99 | ||||||||||||
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 |
||
| 6 | 58265 | 2429 | - | 2552 | = | -123 | * | (19 | / | 57) | = | -40.99999996 | ||
| 7 | 58266 | 2474 | - | 2567 | = | -93 | * | (22 | / | 57) | = | -35.89473682 | ||
| 8 | 58267 | 2500 | - | 2586 | = | -86 | * | (16 | / | 57) | = | -24.14035084 | ||
| Step 4 | SUM Weighted Distance From Standard to get 2019 Difference From Standard for Alpha Technology Middle | -101 | ||||||||||||
Last steps
Compute the average
| 2015 | 2016 | 2017 | 2018 | 2019 | Sum | Average |
|---|---|---|---|---|---|---|
| -73 | -99 | -109 | -99 | -101 | -481.0 | -96.2 |
Compute the Upper Control Limit
Simply compute the standard deviation and multiply by 3 and add to the average: -57.2
Compute the Lower Control Limit
Simply compute the standard deviation and multiply by 3 and subtract from the average: -135.2
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 | 64% | 52% | 76% | 88% | 68% |
| Data source | 2015 data file | 2016 data file | 2017 data file | 2018 data file | 2019 data file |
Elverta Joint Elementary school district | County of Sacramento
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.
Alpha Technology Middle math proficiency
Zero+ meets standard.
59% less $meal
50% less $meal
70% less $meal
73% less $meal
58% 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.
Intermediate/Middle Schools (Public) schools in Elverta Joint Elementary (1)
| Alpha Technology Middle |