Kathryn Hughes Elementary (Data source)
Source data for Kathryn Hughes 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 | 2721955 | 2433 | - | 2436 | = | -3 | * | (84 | / | 228) | = | -1.10526316 | ||
| 4 | 2721958 | 2463 | - | 2485 | = | -22 | * | (79 | / | 228) | = | -7.62280702 | ||
| 5 | 2721959 | 2475 | - | 2528 | = | -53 | * | (65 | / | 228) | = | -15.10964911 | ||
| Step 4 | SUM Weighted Distance From Standard to get 2015 Difference From Standard for Kathryn Hughes Elementary | -24 | ||||||||||||
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 | 82814 | 2432 | - | 2436 | = | -4 | * | (63 | / | 221) | = | -1.14027149 | ||
| 4 | 82816 | 2471 | - | 2485 | = | -14 | * | (81 | / | 221) | = | -5.13122172 | ||
| 5 | 82818 | 2515 | - | 2528 | = | -13 | * | (77 | / | 221) | = | -4.52941176 | ||
| Step 4 | SUM Weighted Distance From Standard to get 2016 Difference From Standard for Kathryn Hughes Elementary | -11 | ||||||||||||
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 | 85125 | 2404 | - | 2436 | = | -32 | * | (83 | / | 214) | = | -12.41121494 | ||
| 4 | 85127 | 2480 | - | 2485 | = | -5 | * | (59 | / | 214) | = | -1.37850467 | ||
| 5 | 85129 | 2489 | - | 2528 | = | -39 | * | (72 | / | 214) | = | -13.12149532 | ||
| Step 4 | SUM Weighted Distance From Standard to get 2017 Difference From Standard for Kathryn Hughes Elementary | -27 | ||||||||||||
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 | 85342 | 2417 | - | 2436 | = | -19 | * | (59 | / | 192) | = | -5.83854165 | ||
| 4 | 85345 | 2473 | - | 2485 | = | -12 | * | (74 | / | 192) | = | -4.62499999 | ||
| 5 | 85346 | 2500 | - | 2528 | = | -28 | * | (59 | / | 192) | = | -8.60416665 | ||
| Step 4 | SUM Weighted Distance From Standard to get 2018 Difference From Standard for Kathryn Hughes 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 | 85938 | 2442 | - | 2436 | = | 6 | * | (67 | / | 197) | = | 2.04060913 | ||
| 4 | 85939 | 2453 | - | 2485 | = | -32 | * | (58 | / | 197) | = | -9.42131978 | ||
| 5 | 85940 | 2488 | - | 2528 | = | -40 | * | (72 | / | 197) | = | -14.61928932 | ||
| Step 4 | SUM Weighted Distance From Standard to get 2019 Difference From Standard for Kathryn Hughes Elementary | -22 | ||||||||||||
Last steps
Compute the average
| 2015 | 2016 | 2017 | 2018 | 2019 | Sum | Average |
|---|---|---|---|---|---|---|
| -24 | -11 | -27 | -19 | -22 | -103.0 | -20.6 |
Compute the Upper Control Limit
Simply compute the standard deviation and multiply by 3 and add to the average: -2.6
Compute the Lower Control Limit
Simply compute the standard deviation and multiply by 3 and subtract from the average: -38.6
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 | 50% | 50% | 47% | 51% | 47% |
| 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.
Kathryn Hughes Elementary math proficiency
Zero+ meets standard.
37% less $meal
39% less $meal
36% less $meal
41% less $meal
37% 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.