Buchser Middle (Data source)
Source data for Buchser 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 | 2724922 | 2506 | - | 2552 | = | -46 | * | (344 | / | 913) | = | -17.33187292 | ||
| 7 | 2724923 | 2534 | - | 2567 | = | -33 | * | (298 | / | 913) | = | -10.77108434 | ||
| 8 | 2724926 | 2542 | - | 2586 | = | -44 | * | (271 | / | 913) | = | -13.06024095 | ||
| Step 4 | SUM Weighted Distance From Standard to get 2015 Difference From Standard for Buchser Middle | -41 | ||||||||||||
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 | 82894 | 2539 | - | 2552 | = | -13 | * | (300 | / | 991) | = | -3.93541876 | ||
| 7 | 82896 | 2547 | - | 2567 | = | -20 | * | (364 | / | 991) | = | -7.34611502 | ||
| 8 | 82898 | 2549 | - | 2586 | = | -37 | * | (327 | / | 991) | = | -12.2088799 | ||
| Step 4 | SUM Weighted Distance From Standard to get 2016 Difference From Standard for Buchser Middle | -23 | ||||||||||||
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 | 85204 | 2520 | - | 2552 | = | -32 | * | (323 | / | 967) | = | -10.688728 | ||
| 7 | 85207 | 2553 | - | 2567 | = | -14 | * | (287 | / | 967) | = | -4.15511891 | ||
| 8 | 85208 | 2552 | - | 2586 | = | -34 | * | (357 | / | 967) | = | -12.55222336 | ||
| Step 4 | SUM Weighted Distance From Standard to get 2017 Difference From Standard for Buchser Middle | -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 |
||
| 6 | 85423 | 2519 | - | 2552 | = | -33 | * | (321 | / | 927) | = | -11.42718446 | ||
| 7 | 85424 | 2535 | - | 2567 | = | -32 | * | (307 | / | 927) | = | -10.59762675 | ||
| 8 | 85427 | 2552 | - | 2586 | = | -34 | * | (299 | / | 927) | = | -10.96655876 | ||
| Step 4 | SUM Weighted Distance From Standard to get 2018 Difference From Standard for Buchser Middle | -33 | ||||||||||||
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 | 86018 | 2526 | - | 2552 | = | -26 | * | (333 | / | 955) | = | -9.06596857 | ||
| 7 | 86019 | 2538 | - | 2567 | = | -29 | * | (309 | / | 955) | = | -9.38324606 | ||
| 8 | 86020 | 2526 | - | 2586 | = | -60 | * | (313 | / | 955) | = | -19.66492146 | ||
| Step 4 | SUM Weighted Distance From Standard to get 2019 Difference From Standard for Buchser Middle | -38 | ||||||||||||
Last steps
Compute the average
| 2015 | 2016 | 2017 | 2018 | 2019 | Sum | Average |
|---|---|---|---|---|---|---|
| -41 | -23 | -27 | -33 | -38 | -162.0 | -32.4 |
Compute the Upper Control Limit
Simply compute the standard deviation and multiply by 3 and add to the average: -11.4
Compute the Lower Control Limit
Simply compute the standard deviation and multiply by 3 and subtract from the average: -53.4
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 | 48% | 46% | 42% | 48% | 42% |
| 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.
Buchser Middle math proficiency
Zero+ meets standard.
38% less $meal
36% less $meal
33% less $meal
41% less $meal
35% 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 Santa Clara Unified (3)
| Buchser Middle | Juan Cabrillo Middle | Marian A. Peterson Middle |