Bowditch Middle (Data source)
Source data for Bowditch 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 | 2552836 | 2598 | - | 2552 | = | 46 | * | (337 | / | 992) | = | 15.62701609 | ||
| 7 | 2552837 | 2624 | - | 2567 | = | 57 | * | (337 | / | 992) | = | 19.36391124 | ||
| 8 | 2552840 | 2634 | - | 2586 | = | 48 | * | (318 | / | 992) | = | 15.38709677 | ||
| Step 4 | SUM Weighted Distance From Standard to get 2015 Difference From Standard for Bowditch Middle | 50 | ||||||||||||
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 | 77802 | 2599 | - | 2552 | = | 47 | * | (377 | / | 1056) | = | 16.77935603 | ||
| 7 | 77803 | 2624 | - | 2567 | = | 57 | * | (332 | / | 1056) | = | 17.92045452 | ||
| 8 | 77805 | 2638 | - | 2586 | = | 52 | * | (347 | / | 1056) | = | 17.08712117 | ||
| Step 4 | SUM Weighted Distance From Standard to get 2016 Difference From Standard for Bowditch Middle | 52 | ||||||||||||
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 | 79955 | 2607 | - | 2552 | = | 55 | * | (343 | / | 1032) | = | 18.28003876 | ||
| 7 | 79957 | 2630 | - | 2567 | = | 63 | * | (355 | / | 1032) | = | 21.67151162 | ||
| 8 | 79958 | 2630 | - | 2586 | = | 44 | * | (334 | / | 1032) | = | 14.24031004 | ||
| Step 4 | SUM Weighted Distance From Standard to get 2017 Difference From Standard for Bowditch Middle | 54 | ||||||||||||
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 | 80103 | 2621 | - | 2552 | = | 69 | * | (344 | / | 1024) | = | 23.1796875 | ||
| 7 | 80106 | 2636 | - | 2567 | = | 69 | * | (338 | / | 1024) | = | 22.77539063 | ||
| 8 | 80107 | 2651 | - | 2586 | = | 65 | * | (342 | / | 1024) | = | 21.70898438 | ||
| Step 4 | SUM Weighted Distance From Standard to get 2018 Difference From Standard for Bowditch Middle | 68 | ||||||||||||
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 | 80597 | 2600 | - | 2552 | = | 48 | * | (358 | / | 1024) | = | 16.78125 | ||
| 7 | 80598 | 2653 | - | 2567 | = | 86 | * | (341 | / | 1024) | = | 28.63867183 | ||
| 8 | 80599 | 2650 | - | 2586 | = | 64 | * | (325 | / | 1024) | = | 20.31249997 | ||
| Step 4 | SUM Weighted Distance From Standard to get 2019 Difference From Standard for Bowditch Middle | 66 | ||||||||||||
Last steps
Compute the average
| 2015 | 2016 | 2017 | 2018 | 2019 | Sum | Average |
|---|---|---|---|---|---|---|
| 50 | 52 | 54 | 68 | 66 | 290.0 | 58.0 |
Compute the Upper Control Limit
Simply compute the standard deviation and multiply by 3 and add to the average: 82.0
Compute the Lower Control Limit
Simply compute the standard deviation and multiply by 3 and subtract from the average: 34.0
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 | 4% | 3% | 6% | 6% | 6% |
| Data source | 2015 data file | 2016 data file | 2017 data file | 2018 data file | 2019 data file |
San Mateo-Foster City school district | County of San Mateo
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.
Bowditch Middle math proficiency
Zero+ meets standard.
3% less $meal
3% less $meal
6% 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 San Mateo-Foster City (3)
| Abbott Middle | Borel Middle | Bowditch Middle |