Jane Lathrop Stanford Middle (Data source)
Source data for Jane Lathrop Stanford 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 | 2702250 | 2635 | - | 2552 | = | 83 | * | (378 | / | 1084) | = | 28.94280442 | ||
| 7 | 2702251 | 2651 | - | 2567 | = | 84 | * | (338 | / | 1084) | = | 26.19188191 | ||
| 8 | 2702254 | 2693 | - | 2586 | = | 107 | * | (368 | / | 1084) | = | 36.32472316 | ||
| Step 4 | SUM Weighted Distance From Standard to get 2015 Difference From Standard for Jane Lathrop Stanford Middle | 91 | ||||||||||||
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 | 82294 | 2645 | - | 2552 | = | 93 | * | (371 | / | 1086) | = | 31.77071822 | ||
| 7 | 82297 | 2664 | - | 2567 | = | 97 | * | (361 | / | 1086) | = | 32.24401473 | ||
| 8 | 82298 | 2686 | - | 2586 | = | 100 | * | (354 | / | 1086) | = | 32.596685 | ||
| Step 4 | SUM Weighted Distance From Standard to get 2016 Difference From Standard for Jane Lathrop Stanford Middle | 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 |
||
| 6 | 84589 | 2644 | - | 2552 | = | 92 | * | (383 | / | 1115) | = | 31.60179364 | ||
| 7 | 84591 | 2672 | - | 2567 | = | 105 | * | (360 | / | 1115) | = | 33.90134528 | ||
| 8 | 84592 | 2700 | - | 2586 | = | 114 | * | (372 | / | 1115) | = | 38.0340806 | ||
| Step 4 | SUM Weighted Distance From Standard to get 2017 Difference From Standard for Jane Lathrop Stanford Middle | 104 | ||||||||||||
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 | 84807 | 2652 | - | 2552 | = | 100 | * | (384 | / | 1165) | = | 32.9613733 | ||
| 7 | 84808 | 2662 | - | 2567 | = | 95 | * | (391 | / | 1165) | = | 31.88412012 | ||
| 8 | 84811 | 2702 | - | 2586 | = | 116 | * | (390 | / | 1165) | = | 38.83261797 | ||
| Step 4 | SUM Weighted Distance From Standard to get 2018 Difference From Standard for Jane Lathrop Stanford Middle | 104 | ||||||||||||
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 | 85400 | 2638 | - | 2552 | = | 86 | * | (341 | / | 1126) | = | 26.04440495 | ||
| 7 | 85401 | 2664 | - | 2567 | = | 97 | * | (385 | / | 1126) | = | 33.16607452 | ||
| 8 | 85402 | 2700 | - | 2586 | = | 114 | * | (400 | / | 1126) | = | 40.4973356 | ||
| Step 4 | SUM Weighted Distance From Standard to get 2019 Difference From Standard for Jane Lathrop Stanford Middle | 100 | ||||||||||||
Last steps
Compute the average
| 2015 | 2016 | 2017 | 2018 | 2019 | Sum | Average |
|---|---|---|---|---|---|---|
| 91 | 97 | 104 | 104 | 100 | 496.0 | 99.2 |
Compute the Upper Control Limit
Simply compute the standard deviation and multiply by 3 and add to the average: 114.2
Compute the Lower Control Limit
Simply compute the standard deviation and multiply by 3 and subtract from the average: 84.2
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 | 8% | 5% | 6% | 7% | 8% |
| Data source | 2015 data file | 2016 data file | 2017 data file | 2018 data file | 2019 data file |
Palo Alto 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.
Jane Lathrop Stanford Middle math proficiency
Zero+ meets standard.
5% less $meal
3% less $meal
4% less $meal
6% 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.
Intermediate/Middle Schools (Public) schools in Palo Alto Unified (3)
| Ellen Fletcher Middle | Frank S. Greene Jr. Middle | Jane Lathrop Stanford Middle |