Tom Matsumoto Elementary (Data source)
Source data for Tom Matsumoto 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 | 2651892 | 2495 | - | 2436 | = | 59 | * | (136 | / | 533) | = | 15.05440897 | ||
4 | 2651895 | 2554 | - | 2485 | = | 69 | * | (141 | / | 533) | = | 18.25328325 | ||
5 | 2651896 | 2593 | - | 2528 | = | 65 | * | (122 | / | 533) | = | 14.87804877 | ||
6 | 2651899 | 2655 | - | 2552 | = | 103 | * | (134 | / | 533) | = | 25.89493429 | ||
Step 4 | SUM Weighted Distance From Standard to get 2015 Difference From Standard for Tom Matsumoto Elementary | 74 |
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 | 80837 | 2524 | - | 2436 | = | 88 | * | (97 | / | 490) | = | 17.4204081 | ||
4 | 80840 | 2571 | - | 2485 | = | 86 | * | (133 | / | 490) | = | 23.34285711 | ||
5 | 80841 | 2603 | - | 2528 | = | 75 | * | (140 | / | 490) | = | 21.42857138 | ||
6 | 80843 | 2655 | - | 2552 | = | 103 | * | (120 | / | 490) | = | 25.22448978 | ||
Step 4 | SUM Weighted Distance From Standard to get 2016 Difference From Standard for Tom Matsumoto Elementary | 87 |
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 | 83066 | 2523 | - | 2436 | = | 87 | * | (99 | / | 472) | = | 18.24788129 | ||
4 | 83069 | 2573 | - | 2485 | = | 88 | * | (102 | / | 472) | = | 19.01694907 | ||
5 | 83070 | 2607 | - | 2528 | = | 79 | * | (130 | / | 472) | = | 21.75847451 | ||
6 | 83072 | 2655 | - | 2552 | = | 103 | * | (141 | / | 472) | = | 30.76906774 | ||
Step 4 | SUM Weighted Distance From Standard to get 2017 Difference From Standard for Tom Matsumoto Elementary | 90 |
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 | 83283 | 2518 | - | 2436 | = | 82 | * | (93 | / | 443) | = | 17.21444688 | ||
4 | 83285 | 2565 | - | 2485 | = | 80 | * | (104 | / | 443) | = | 18.78103832 | ||
5 | 83287 | 2602 | - | 2528 | = | 74 | * | (111 | / | 443) | = | 18.54176072 | ||
6 | 83289 | 2638 | - | 2552 | = | 86 | * | (135 | / | 443) | = | 26.20767492 | ||
Step 4 | SUM Weighted Distance From Standard to get 2018 Difference From Standard for Tom Matsumoto Elementary | 81 |
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 | 83897 | 2512 | - | 2436 | = | 76 | * | (84 | / | 391) | = | 16.32736568 | ||
4 | 83898 | 2574 | - | 2485 | = | 89 | * | (95 | / | 391) | = | 21.62404084 | ||
5 | 83899 | 2603 | - | 2528 | = | 75 | * | (104 | / | 391) | = | 19.94884905 | ||
6 | 83900 | 2632 | - | 2552 | = | 80 | * | (108 | / | 391) | = | 22.09718664 | ||
Step 4 | SUM Weighted Distance From Standard to get 2019 Difference From Standard for Tom Matsumoto Elementary | 80 |
Last steps
Compute the average
2015 | 2016 | 2017 | 2018 | 2019 | Sum | Average |
---|---|---|---|---|---|---|
74 | 87 | 90 | 81 | 80 | 412.0 | 82.4 |
Compute the Upper Control Limit
Simply compute the standard deviation and multiply by 3 and add to the average: 100.4
Compute the Lower Control Limit
Simply compute the standard deviation and multiply by 3 and subtract from the average: 64.4
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 | 4% | 5% | 4% | 5% | 7% |
Data source | 2015 data file | 2016 data file | 2017 data file | 2018 data file | 2019 data file |
Evergreen Elementary 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.
Tom Matsumoto Elementary math proficiency
Zero+ meets standard.

3% less $meal

3% less $meal

3% less $meal

4% less $meal

6% 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.