George Mayne Elementary (Data source)
Source data for George Mayne 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 | 2721639 | 2417 | - | 2436 | = | -19 | * | (94 | / | 269) | = | -6.6394052 | ||
| 4 | 2721642 | 2460 | - | 2485 | = | -25 | * | (87 | / | 269) | = | -8.08550185 | ||
| 5 | 2721643 | 2482 | - | 2528 | = | -46 | * | (88 | / | 269) | = | -15.04832712 | ||
| Step 4 | SUM Weighted Distance From Standard to get 2015 Difference From Standard for George Mayne Elementary | -30 | ||||||||||||
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 | 82807 | 2419 | - | 2436 | = | -17 | * | (83 | / | 264) | = | -5.34469696 | ||
| 4 | 82809 | 2458 | - | 2485 | = | -27 | * | (91 | / | 264) | = | -9.30681816 | ||
| 5 | 82810 | 2484 | - | 2528 | = | -44 | * | (90 | / | 264) | = | -14.99999996 | ||
| Step 4 | SUM Weighted Distance From Standard to get 2016 Difference From Standard for George Mayne Elementary | -30 | ||||||||||||
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 | 85116 | 2422 | - | 2436 | = | -14 | * | (91 | / | 271) | = | -4.701107 | ||
| 4 | 85119 | 2456 | - | 2485 | = | -29 | * | (84 | / | 271) | = | -8.98892987 | ||
| 5 | 85120 | 2484 | - | 2528 | = | -44 | * | (96 | / | 271) | = | -15.58671585 | ||
| Step 4 | SUM Weighted Distance From Standard to get 2017 Difference From Standard for George Mayne Elementary | -29 | ||||||||||||
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 | 85334 | 2432 | - | 2436 | = | -4 | * | (85 | / | 264) | = | -1.28787878 | ||
| 4 | 85337 | 2505 | - | 2485 | = | 20 | * | (94 | / | 264) | = | 7.12121212 | ||
| 5 | 85338 | 2489 | - | 2528 | = | -39 | * | (85 | / | 264) | = | -12.55681814 | ||
| Step 4 | SUM Weighted Distance From Standard to get 2018 Difference From Standard for George Mayne Elementary | -7 | ||||||||||||
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 | 85930 | 2454 | - | 2436 | = | 18 | * | (83 | / | 260) | = | 5.74615384 | ||
| 4 | 85931 | 2480 | - | 2485 | = | -5 | * | (87 | / | 260) | = | -1.67307692 | ||
| 5 | 85932 | 2515 | - | 2528 | = | -13 | * | (90 | / | 260) | = | -4.5 | ||
| Step 4 | SUM Weighted Distance From Standard to get 2019 Difference From Standard for George Mayne Elementary | 0 | ||||||||||||
Last steps
Compute the average
| 2015 | 2016 | 2017 | 2018 | 2019 | Sum | Average |
|---|---|---|---|---|---|---|
| -30 | -30 | -29 | -7 | 0 | -96.0 | -19.2 |
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: -57.0
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 | 70% | 68% | 64% | 68% | 61% |
| Data source | 2015 data file | 2016 data file | 2017 data file | 2018 data file | 2019 data file |
Santa Clara Unified 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.
George Mayne Elementary math proficiency
Zero+ meets standard.
55% less $meal
55% less $meal
50% 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.